Attachment #126729 for bug #255786

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Lines 10-15 Link Here

(-)plugin.xml (+1 lines)
10	<extension-point id="content_handler" name="%_UI_ContentHandlerRegistry_extensionpoint" schema="schema/content_handler.exsd"/>	10	<extension-point id="content_handler" name="%_UI_ContentHandlerRegistry_extensionpoint" schema="schema/content_handler.exsd"/>
11	<extension-point id="uri_mapping" name="%_UI_URIMappingRegistry_extensionpoint" schema="schema/uri_mapping.exsd"/>	11	<extension-point id="uri_mapping" name="%_UI_URIMappingRegistry_extensionpoint" schema="schema/uri_mapping.exsd"/>
12	<extension-point id="package_registry_implementation" name="%_UI_PackageRegistryImplementation_extensionpoint" schema="schema/package_registry_implementation.exsd"/>	12	<extension-point id="package_registry_implementation" name="%_UI_PackageRegistryImplementation_extensionpoint" schema="schema/package_registry_implementation.exsd"/>
		13	<extension-point id="constraints_delegator_registry" name="%_UI_ConstraintsDelegatorRegistry_extensionpoint" schema="schema/constraints_delegator_registry.exsd"/>
13		14
14	<extension point="org.eclipse.emf.ecore.generated_package">	15	<extension point="org.eclipse.emf.ecore.generated_package">
15	<package	16	<package

Lines 116-121 Link Here

(-)plugin.properties (+2 lines)
116	_UI_ContentHandler_extensionpoint = Content Handler Registry	116	_UI_ContentHandler_extensionpoint = Content Handler Registry
117	_UI_URIMappingRegistry_extensionpoint = URI Converter Mapping Registry	117	_UI_URIMappingRegistry_extensionpoint = URI Converter Mapping Registry
118	_UI_PackageRegistryImplementation_extensionpoint = Ecore Package Registry Implementation	118	_UI_PackageRegistryImplementation_extensionpoint = Ecore Package Registry Implementation
		119	_UI_ConstraintsDelegatorRegistry_extensionpoint = Constraints Delegator Registry
		120
119		121
120	_UI_GenericInvariant_diagnostic = The ''{0}'' invariant is violated on ''{1}''	122	_UI_GenericInvariant_diagnostic = The ''{0}'' invariant is violated on ''{1}''
121	_UI_GenericConstraint_diagnostic = The ''{0}'' constraint is violated on ''{1}''	123	_UI_GenericConstraint_diagnostic = The ''{0}'' constraint is violated on ''{1}''




 * A collection of platform-neutral static utilities
 * as well as Eclipse support utilities.
 */
public class EcorePlugin extends EMFPlugin
{
  /**
   * The singleton instance of the plugin.

   */
  private EcorePlugin()
  {
    super(new ResourceLocator []{});
  }

  @Override

   * @param arguments an array of "command line" options.
   * @return the arguments stripped of those recognized as platform resource options.
   */
  public static String[] handlePlatformResourceOptions(String[] arguments)
  {
    getPlatformResourceMap();


          }
        }

        String[] remainingArguments = new String [arguments.length - (i - start)];
        System.arraycopy(arguments, 0, remainingArguments, 0, start);
        System.arraycopy(arguments, i, remainingArguments, start, arguments.length - i);
        return remainingArguments;


    return arguments;
  }

  /**
   * Returns a map from {@link EPackage#getNsURI() package namespace URI} (represented as a String) 
   * to the location of the GenModel containing a GenPackage for the package (represented as a {@link URI URI}).

    }
    return result;
  }

  private static Pattern bundleSymbolNamePattern;
  private static byte[] NO_BYTES = new byte [0];

  /**
   * Computes a map from <code>platform:/plugin/&lt;plugin-id>/</code> {@link URI} to 
   * <code>platform:/resource/&lt;plugin-location>/</code> URI

    Map<URI, URI> result = new HashMap<URI, URI>();
    IWorkspaceRoot root = getWorkspaceRoot();
    if (root != null)
    {
      IProject[] projects = root.getProjects();
      if (projects != null)
      {
        String pluginID = null;

        class Handler extends DefaultHandler
        {
          public String pluginID;

          }
        }
        Handler handler = new Handler();

        SAXParserFactory parserFactory = SAXParserFactory.newInstance();
        parserFactory.setNamespaceAware(true);
        SAXParser parser = null;

        try
        {
          parser = parserFactory.newSAXParser();

        {
          INSTANCE.log(exception);
        }

        if (bundleSymbolNamePattern == null)
        {
          bundleSymbolNamePattern = Pattern.compile("^\\s*Bundle-SymbolicName\\s*:\\s*([^\\s;]*)\\s*(;.*)?$", Pattern.MULTILINE);
        }

        byte[] bytes = NO_BYTES;

        for (int i = 0, size = projects.length; i < size; ++i)
        {
          IProject project = projects[i];

              InputStream inputStream = null;
              try
              {
                inputStream = manifest.getContents();
                int available = inputStream.available();
                if (bytes.length < available)
                {

                }
              }
            }

            if (pluginID != null)
            {
              URI platformPluginURI = URI.createPlatformPluginURI(pluginID + "/", false);
              URI platformResourceURI = URI.createPlatformResourceURI(project.getName() + "/", true);
              result.put(platformPluginURI, platformResourceURI);
            }
          }
        }
      }
    }

    return result;
  }

  /**
   * Computes a map so that plugins in the workspace will override those in the environment
   * and so that plugins with Ecore and GenModels will look like projects in the workspace.

    result.putAll(computePlatformResourceToPlatformPluginMap(new HashSet<URI>(EcorePlugin.getEPackageNsURIToGenModelLocationMap().values())));
    return result;
  }

  /**
   * The platform resource map.
   * @see #getPlatformResourceMap
   */
  private static Map<String, URI> platformResourceMap;

  /**
   * The map from package namespace URIs to the location of the GenModel for that package.
   * @see #getPlatformResourceMap

      super();
      plugin = this;
    }

    /**
     * Starts up this plugin by reading some extensions and populating the relevant registries.
     * <p>

        workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
      }

      new RegistryReader(
        Platform.getExtensionRegistry(),
        EcorePlugin.getPlugin().getBundle().getSymbolicName(),
        PACKAGE_REGISTRY_IMPLEMENTATION_PPID)
      {
        IConfigurationElement previous;

        @Override
        protected boolean readElement(IConfigurationElement element)
        {
          IConfigurationElement previous;

          @Override
          protected boolean readElement(IConfigurationElement element)
          {
            if (element.getName().equals("registry"))
            if (implementationClass == null)
            {
              String implementationClass = element.getAttribute("class");
              if (implementationClass == null)
              {
                logMissingAttribute(element, "class");
              }
              else
              {
                if (defaultRegistryImplementation != null)
                {
                  if (previous != null)
                  {
                    log("Both '" + previous.getContributor().getName() + "' and '" + element.getContributor().getName()
                      + "' register a package registry implementation");
                  }
                  if (defaultRegistryImplementation instanceof EPackageRegistryImpl.Delegator)
                  {
                    return false;
                  }
                }
                try
                {
                  defaultRegistryImplementation = (EPackage.Registry)element.createExecutableExtension("class");
                  previous = element;
                }
                catch (CoreException exception)
                {
                  log(exception);
                }
                return true;
              }
              try
              {
                defaultRegistryImplementation = (EPackage.Registry)element.createExecutableExtension("class");
                previous = element;
              }
              catch (CoreException exception)
              {
                log(exception);
              }
              return true;
            }
            return false;
          }

        }.readRegistry();
        
      }.readRegistry();

      new GeneratedPackageRegistryReader(getEPackageNsURIToGenModelLocationMap()).readRegistry();
      new DynamicPackageRegistryReader().readRegistry();

      new ContentParserRegistryReader().readRegistry();
      new ContentHandlerRegistryReader().readRegistry();
      new URIMappingRegistryReader().readRegistry();
      new ConstraintsDelegatorFactoryRegistryReader().readRegistry();
    }
  }

  /**
   * The default registry implementation singleton.
   */
  private static EPackage.Registry defaultRegistryImplementation;

  /**
   * Returns the default registry implementation singleton.

  public static final String SCHEME_PARSER_PPID = "scheme_parser";
  public static final String URI_MAPPING_PPID = "uri_mapping";
  public static final String PACKAGE_REGISTRY_IMPLEMENTATION_PPID = "package_registry_implementation";
  public static final String CONSTRAINTS_DELEGATOR_FACTORY = "constraints_delegator_registry";
}




 */
package org.eclipse.emf.ecore.util;

import java.lang.reflect.Array;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;

import java.util.ListIterator;
import java.util.Map;

import java.lang.reflect.Array;
import java.math.BigDecimal;

import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.BasicEList;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.common.util.EMap;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EValidator;

import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EValidator;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.plugin.EcorePlugin;

import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory;
import org.eclipse.emf.ecore.xml.type.util.XMLTypeUtil;



  
  static final int EOBJECT_DIAGNOSTIC_CODE_COUNT = EOBJECT__NO_CIRCULAR_CONTAINMENT;
  
  // constants for user validation
  private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY = "factory";
  private static final String USER_CONSTRAINT_VALIDATION_NAME = "name";
  private static final String USER_CONSTRAINT_VALIDATION_MESSAGE = "message";
  private static final String USER_CONSTRAINT_VALIDATION_SEVERITY = "severity";
  private static final String USER_CONSTRAINT_VALIDATION_CONSTRAINT = "constraint";
  private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE = "inheritsConstraints";
  private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_ECORE = "http://www.eclipse.org/emf/2002/Ecore";
  
  /**
   * A key to be used in <code>context</code> maps to indicate the root object at which validation started.
   * It's used to detect {@link #EOBJECT__NO_CIRCULAR_CONTAINMENT circular containment}

    {
      result &= validate_EveryMapEntryUnique(object, theDiagnostics, context);
    }
    if (result || theDiagnostics != null)
    {
      result &= validate_UserConstraints(object, theDiagnostics, context);
    }
    return result;
  }


        }
      }
    }
        return result;
  }
  
  /**
   * @since 2.5
   * @param theEClass the eclass of the eobject
   * @param objectn the eobject to check
   * @param theDiagnostics the diagnostic chain to modify if problems
   * @param context the context
   * @return true if user constraint ok false else
   */
  protected boolean validate_UserConstraintsByEClass(
    EClass theEClass,
    EObject object,
    DiagnosticChain theDiagnostics,
    Map<Object, Object> context)
  {
    // we check if the factory is declared in EPackage if it 's not the case. Constraints can't be checked
    Collection<EAnnotation> annotations = theEClass.getEAnnotations();
    EAnnotation annotationPackage = theEClass.getEPackage().getEAnnotation(USER_CONSTRAINT_VALIDATION_EANNOTATION_ECORE);
    boolean result = true;
    boolean inheritsConstraints = true;
    if (annotationPackage != null && annotationPackage.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY))
    {
      String factoryName = "";
      String keyName = "";
      String strFactory = annotationPackage.getDetails().get(USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY);
      String[] strs = strFactory.split("#");
      if (strs != null && strs.length == 2)
      {
        factoryName = strs[0];
        keyName = strs[1];
      }
      else
      {
        factoryName = strFactory;
        keyName = strFactory;
      }
      Factory factory = ConstraintsDelegator.Factory.Registry.INSTANCE.getFactory(factoryName);
      if (factory != null)
      {
        for (EAnnotation e : annotations)
        {
          // for validation
          String rule = "";
          String ruleName = "";
          String message = "";
          int severity = Diagnostic.WARNING;
          if (keyName.equals(e.getSource()) || factoryName.equals(e.getSource()))
          {
            if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE))
            {
              String value = e.getDetails().get(USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE);
              if (value != null && ("true".equals(value.trim().toLowerCase()) || "false".equals(value.trim().toLowerCase())))
              {
                inheritsConstraints = Boolean.valueOf(value);
              }
            }
            if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_CONSTRAINT))
            {
              rule = e.getDetails().get(USER_CONSTRAINT_VALIDATION_CONSTRAINT);
              // default value
              ruleName = rule;
              message = "problem with rule " + rule;
              // we need at least a constraint to work
              if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_MESSAGE))
              {
                message = e.getDetails().get(USER_CONSTRAINT_VALIDATION_MESSAGE);
              }
              if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_NAME))
              {
                ruleName = e.getDetails().get(USER_CONSTRAINT_VALIDATION_NAME);
              }
              if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_SEVERITY))
              {
                String severityS = e.getDetails().get(USER_CONSTRAINT_VALIDATION_SEVERITY);
                severityS = severityS.toLowerCase().trim();
                if ("warning".equals(severityS))
                {
                  severity = Diagnostic.WARNING;
                }
                else if ("error".equals(severityS))
                {
                  severity = Diagnostic.ERROR;
                }
              }
              ConstraintsDelegator constraintDelegator = factory.createConstraintDelegator();
              if (constraintDelegator != null)
              {
                result &= constraintDelegator.validate(rule, ruleName, severity, message, object, theDiagnostics, context);
              }
            }
          }
        }
        // we check inherited constraints
        if (inheritsConstraints)
        {
          for (EClass c : theEClass.getESuperTypes())
          {
            result &= validate_UserConstraintsByEClass(c, object, theDiagnostics, context);
          }
        }
      }
    }
    return result;
  }
  
  /**
     * @since 2.5
     * @param object the eobject to check
     * @param theDiagnostics the diagnostic to modify if problem
     * @param context the context
     * @return true if user constraint is ok false else
     */
  protected boolean validate_UserConstraints(EObject object, DiagnosticChain theDiagnostics, Map<Object, Object> context)
  {
    EClass theclass = object.eClass();
    boolean result = validate_UserConstraintsByEClass(theclass, object, theDiagnostics, context);
    return result;
  }





/**
 * <copyright>
 *
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors: 
 *   IBM - Initial API and implementation
 *
 * </copyright>
 *
 * $Id: EMF_codetemplates.xml,v 1.1 2008/05/06 20:12:20 nickb Exp $
 */
package org.eclipse.emf.ecore.plugin;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.util.WrappedException;
import org.eclipse.emf.ecore.util.ConstraintsDelegator;
import org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory;

/**
 * A plugin extension reader that populates the
 * {@link org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory.Registry#INSTANCE global} resource factory's
 * Clients are not expected to use this class directly.
 */
public class ConstraintsDelegatorFactoryRegistryReader extends RegistryReader
{
  static final String TAG_FACTORY = "factory";
  static final String ATT_URI = "uri";
  static final String ATT_CLASS = "class";
  
  public ConstraintsDelegatorFactoryRegistryReader()
  {
    super
    (Platform.getExtensionRegistry(),
     EcorePlugin.getPlugin().getBundle().getSymbolicName(), 
     EcorePlugin.CONSTRAINTS_DELEGATOR_FACTORY);
  }
  
  @Override
  protected boolean readElement(IConfigurationElement element, boolean add)
  {
    if (element.getName().equals(TAG_FACTORY))
    {
      String packageURI = element.getAttribute(ATT_URI);
      if (packageURI == null)
      {
        logMissingAttribute(element, ATT_URI);
      }
      else if (element.getAttribute(ATT_CLASS) == null)
      {
        logMissingAttribute(element, ATT_CLASS);
      }
      else
      {
        try
        {
          Object o = element.createExecutableExtension(ATT_CLASS);
          if (o instanceof ConstraintsDelegator.Factory)
          {
            Factory tmp = ConstraintsDelegator.Factory.Registry.INSTANCE.getFactory(packageURI);
            if (tmp != null)
            {
              EcorePlugin.INSTANCE.log
              ("factory '" + o.getClass().getName() + "'tries to override '" + packageURI + "' instead of factor '" + tmp.getClass().getName()+"'");
            }
            else 
            {
              ConstraintsDelegator.Factory.Registry.INSTANCE.putFactory(packageURI, (Factory)o);
            }
          }
          return true;
        }
        catch (CoreException e)
        {
          throw new WrappedException(e);
        }
      }
    }
    return false;
  }
}




<?xml version='1.0' encoding='UTF-8'?>
<!-- Schema file written by PDE -->
<schema targetNamespace="org.eclipse.emf.ecore" xmlns="http://www.w3.org/2001/XMLSchema">
<annotation>
      <appinfo>
         <meta.schema plugin="org.eclipse.emf.ecore" id="constraints_delegator_registry" name="%_UI_ConstraintsDelegatorRegistry_extensionpoint"/>
      </appinfo>
      <documentation>
         Adds a ConstraintDelegatorFactory to check constraints in Ecore models
      </documentation>
   </annotation>

   <element name="extension">
      <annotation>
         <appinfo>
            <meta.element />
         </appinfo>
      </annotation>
      <complexType>
         <sequence>
            <element ref="factory"/>
         </sequence>
         <attribute name="point" type="string" use="required">
            <annotation>
               <documentation>
                  
               </documentation>
            </annotation>
         </attribute>
         <attribute name="id" type="string">
            <annotation>
               <documentation>
                  
               </documentation>
            </annotation>
         </attribute>
         <attribute name="name" type="string">
            <annotation>
               <documentation>
                  
               </documentation>
               <appinfo>
                  <meta.attribute translatable="true"/>
               </appinfo>
            </annotation>
         </attribute>
      </complexType>
   </element>

   <element name="factory">
      <complexType>
         <attribute name="uri" type="string" use="required">
            <annotation>
               <documentation>
                  the uri which will be inserted by user to check constraints
               </documentation>
            </annotation>
         </attribute>
         <attribute name="class" type="string" use="required">
            <annotation>
               <documentation>
                  A fully qualified name of the Java class implementing &lt;samp&gt;org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory
&lt;/samp&gt;.
               </documentation>
               <appinfo>
                  <meta.attribute kind="java" basedOn=":org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory"/>
               </appinfo>
            </annotation>
         </attribute>
      </complexType>
   </element>

   <annotation>
      <appinfo>
         <meta.section type="since"/>
      </appinfo>
      <documentation>
         2.5.0
      </documentation>
   </annotation>

   <annotation>
      <appinfo>
         <meta.section type="examples"/>
      </appinfo>
      <documentation>
         Following is an example of implementation
&lt;pre&gt;
&lt;extension
         point=&quot;org.eclipse.emf.ecore.constraints_delegator_regstry&quot;&gt;
      &lt;factory
            class=&quot;ocl.test.ConstraintsDelegator.MyFactory&quot;
            uri=&quot;org.eclipse.emf.ocl&quot;&gt;
      &lt;/factory&gt;
   &lt;/extension&gt;
&lt;/pre&gt;
      </documentation>
   </annotation>



   <annotation>
      <appinfo>
         <meta.section type="copyright"/>
      </appinfo>
      <documentation>
         Copyright (c) 2002, 2004 IBM Corporation and others.&lt;br&gt;
All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at &lt;a 
href=&quot;http://www.eclipse.org/legal/epl-v10.html&quot;&gt;http://www.eclipse.org/legal/epl-v10.html&lt;/a&gt;
      </documentation>
   </annotation>

</schema>




/**
 * <copyright>
 *
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors: 
 *   IBM - Initial API and implementation
 *
 * </copyright>
 *
 * $Id: ConstraintsDelegator.java,v 1.0 2008/11/19 16:37:42 tfaure Exp $
 */
package org.eclipse.emf.ecore.util;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.emf.ecore.EObject;


/**
 * An interface to validate a constraint
 * The only method to implement is {@link #validate(String, EObject, DiagnosticChain, Map)
 * To add a factory please see extension point : constraints_delegator_regstry
 */
public interface ConstraintsDelegator
{
  interface Factory
  {
    interface Registry
    {
      Registry INSTANCE = new Impl();

      /**
       * Returns the factory identified by the key
       * @param key the factory id
       * @return the factory or null if it doesn't exist
       */
      Factory getFactory(String key);

      /**
       * Registers a factory and associates it to an id
       * @param key the id
       * @param value the factory
       */
      void putFactory(String key, Factory value);

      class Impl extends HashMap<String, Factory> implements Registry
      {
        private static final long serialVersionUID = 1L;

        public Factory getFactory(String key)
        {
          return get(key);
        }

        public void putFactory(String key, Factory value)
        {
          put(key, value);
        }
      }
    }

    /**
     * Create a constraint delegator which is able to check a constraint
     * @return the constraint Delegator
     */
    ConstraintsDelegator createConstraintDelegator();
  }

  /**
   * Validate a constraint and add to the diagnostic chain the evaluation's diagnostic
   * @param value the expression to manage
   * @param object the current EObject
   * @param theDiagnostics the diagnostic's chain
   * @param context the context of the current validation
   * @return true if it's OK else false
   */
  boolean validate(String constraint,String name, int severity, String message, EObject object, DiagnosticChain theDiagnostics, Map<Object, Object> context);
}

Return to bug 255786

Lines 16-22 Link Here

(-)src/org/eclipse/emf/ecore/util/EObjectValidator.java (-14 / +139 lines)
16	*/	16	*/
17	package org.eclipse.emf.ecore.util;	17	package org.eclipse.emf.ecore.util;
18		18
19		19	import java.lang.reflect.Array;
		20	import java.math.BigDecimal;
20	import java.util.ArrayList;	21	import java.util.ArrayList;
21	import java.util.Collection;	22	import java.util.Collection;
22	import java.util.HashMap;	23	import java.util.HashMap;
Lines 25-57 Link Here
25	import java.util.ListIterator;	26	import java.util.ListIterator;
26	import java.util.Map;	27	import java.util.Map;
27		28
28	import java.lang.reflect.Array;
29	import java.math.BigDecimal;
30
31	import org.eclipse.emf.common.util.BasicDiagnostic;	29	import org.eclipse.emf.common.util.BasicDiagnostic;
32	import org.eclipse.emf.common.util.BasicEList;	30	import org.eclipse.emf.common.util.BasicEList;
33	import org.eclipse.emf.common.util.Diagnostic;	31	import org.eclipse.emf.common.util.Diagnostic;
34	import org.eclipse.emf.common.util.DiagnosticChain;	32	import org.eclipse.emf.common.util.DiagnosticChain;
35	import org.eclipse.emf.common.util.EMap;	33	import org.eclipse.emf.common.util.EMap;
36	import org.eclipse.emf.common.util.ResourceLocator;	34	import org.eclipse.emf.common.util.ResourceLocator;
37		35	import org.eclipse.emf.ecore.EAnnotation;
38	import org.eclipse.emf.ecore.EValidator;
39
40	import org.eclipse.emf.ecore.EAttribute;	36	import org.eclipse.emf.ecore.EAttribute;
41	import org.eclipse.emf.ecore.EObject;
42	import org.eclipse.emf.ecore.EClass;	37	import org.eclipse.emf.ecore.EClass;
43	import org.eclipse.emf.ecore.EReference;
44	import org.eclipse.emf.ecore.EcorePackage;
45	import org.eclipse.emf.ecore.EDataType;	38	import org.eclipse.emf.ecore.EDataType;
		39	import org.eclipse.emf.ecore.EObject;
46	import org.eclipse.emf.ecore.EPackage;	40	import org.eclipse.emf.ecore.EPackage;
		41	import org.eclipse.emf.ecore.EReference;
47	import org.eclipse.emf.ecore.EStructuralFeature;	42	import org.eclipse.emf.ecore.EStructuralFeature;
		43	import org.eclipse.emf.ecore.EValidator;
		44	import org.eclipse.emf.ecore.EcorePackage;
48	import org.eclipse.emf.ecore.InternalEObject;	45	import org.eclipse.emf.ecore.InternalEObject;
49
50	import org.eclipse.emf.ecore.plugin.EcorePlugin;	46	import org.eclipse.emf.ecore.plugin.EcorePlugin;
51
52	import org.eclipse.emf.ecore.resource.Resource;	47	import org.eclipse.emf.ecore.resource.Resource;
53	import org.eclipse.emf.ecore.resource.ResourceSet;	48	import org.eclipse.emf.ecore.resource.ResourceSet;
54		49	import org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory;
55	import org.eclipse.emf.ecore.xml.type.util.XMLTypeUtil;	50	import org.eclipse.emf.ecore.xml.type.util.XMLTypeUtil;
56		51
57		52
Lines 82-87 Link Here
82		77
83	static final int EOBJECT_DIAGNOSTIC_CODE_COUNT = EOBJECT__NO_CIRCULAR_CONTAINMENT;	78	static final int EOBJECT_DIAGNOSTIC_CODE_COUNT = EOBJECT__NO_CIRCULAR_CONTAINMENT;
84		79
		80	// constants for user validation
		81	private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY = "factory";
		82	private static final String USER_CONSTRAINT_VALIDATION_NAME = "name";
		83	private static final String USER_CONSTRAINT_VALIDATION_MESSAGE = "message";
		84	private static final String USER_CONSTRAINT_VALIDATION_SEVERITY = "severity";
		85	private static final String USER_CONSTRAINT_VALIDATION_CONSTRAINT = "constraint";
		86	private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE = "inheritsConstraints";
		87	private static final String USER_CONSTRAINT_VALIDATION_EANNOTATION_ECORE = "http://www.eclipse.org/emf/2002/Ecore";
		88
85	/**	89	/**
86	* A key to be used in <code>context</code> maps to indicate the root object at which validation started.	90	* A key to be used in <code>context</code> maps to indicate the root object at which validation started.
87	* It's used to detect {@link #EOBJECT__NO_CIRCULAR_CONTAINMENT circular containment}	91	* It's used to detect {@link #EOBJECT__NO_CIRCULAR_CONTAINMENT circular containment}
Lines 228-233 Link Here
228	{	232	{
229	result &= validate_EveryMapEntryUnique(object, theDiagnostics, context);	233	result &= validate_EveryMapEntryUnique(object, theDiagnostics, context);
230	}	234	}
		235	if (result \|\| theDiagnostics != null)
		236	{
		237	result &= validate_UserConstraints(object, theDiagnostics, context);
		238	}
231	return result;	239	return result;
232	}	240	}
233		241
Lines 1417-1423 Link Here
1417	}	1425	}
1418	}	1426	}
1419	}	1427	}
1420		1428	return result;
		1429	}
		1430
		1431	/**
		1432	* @since 2.5
		1433	* @param theEClass the eclass of the eobject
		1434	* @param objectn the eobject to check
		1435	* @param theDiagnostics the diagnostic chain to modify if problems
		1436	* @param context the context
		1437	* @return true if user constraint ok false else
		1438	*/
		1439	protected boolean validate_UserConstraintsByEClass(
		1440	EClass theEClass,
		1441	EObject object,
		1442	DiagnosticChain theDiagnostics,
		1443	Map<Object, Object> context)
		1444	{
		1445	// we check if the factory is declared in EPackage if it 's not the case. Constraints can't be checked
		1446	Collection<EAnnotation> annotations = theEClass.getEAnnotations();
		1447	EAnnotation annotationPackage = theEClass.getEPackage().getEAnnotation(USER_CONSTRAINT_VALIDATION_EANNOTATION_ECORE);
		1448	boolean result = true;
		1449	boolean inheritsConstraints = true;
		1450	if (annotationPackage != null && annotationPackage.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY))
		1451	{
		1452	String factoryName = "";
		1453	String keyName = "";
		1454	String strFactory = annotationPackage.getDetails().get(USER_CONSTRAINT_VALIDATION_EANNOTATION_FACTORY);
		1455	String[] strs = strFactory.split("#");
		1456	if (strs != null && strs.length == 2)
		1457	{
		1458	factoryName = strs[0];
		1459	keyName = strs[1];
		1460	}
		1461	else
		1462	{
		1463	factoryName = strFactory;
		1464	keyName = strFactory;
		1465	}
		1466	Factory factory = ConstraintsDelegator.Factory.Registry.INSTANCE.getFactory(factoryName);
		1467	if (factory != null)
		1468	{
		1469	for (EAnnotation e : annotations)
		1470	{
		1471	// for validation
		1472	String rule = "";
		1473	String ruleName = "";
		1474	String message = "";
		1475	int severity = Diagnostic.WARNING;
		1476	if (keyName.equals(e.getSource()) \|\| factoryName.equals(e.getSource()))
		1477	{
		1478	if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE))
		1479	{
		1480	String value = e.getDetails().get(USER_CONSTRAINT_VALIDATION_EANNOTATION_INHERITANCE);
		1481	if (value != null && ("true".equals(value.trim().toLowerCase()) \|\| "false".equals(value.trim().toLowerCase())))
		1482	{
		1483	inheritsConstraints = Boolean.valueOf(value);
		1484	}
		1485	}
		1486	if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_CONSTRAINT))
		1487	{
		1488	rule = e.getDetails().get(USER_CONSTRAINT_VALIDATION_CONSTRAINT);
		1489	// default value
		1490	ruleName = rule;
		1491	message = "problem with rule " + rule;
		1492	// we need at least a constraint to work
1493	if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_MESSAGE))
1494	{
1495	message = e.getDetails().get(USER_CONSTRAINT_VALIDATION_MESSAGE);
1496	}
1497	if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_NAME))
1498	{
1499	ruleName = e.getDetails().get(USER_CONSTRAINT_VALIDATION_NAME);
1500	}
1501	if (e.getDetails().containsKey(USER_CONSTRAINT_VALIDATION_SEVERITY))
1502	{
1503	String severityS = e.getDetails().get(USER_CONSTRAINT_VALIDATION_SEVERITY);
1504	severityS = severityS.toLowerCase().trim();
1505	if ("warning".equals(severityS))
1506	{
1507	severity = Diagnostic.WARNING;
1508	}
1509	else if ("error".equals(severityS))
1510	{
1511	severity = Diagnostic.ERROR;
1512	}
1513	}
1514	ConstraintsDelegator constraintDelegator = factory.createConstraintDelegator();
1515	if (constraintDelegator != null)
1516	{
1517	result &= constraintDelegator.validate(rule, ruleName, severity, message, object, theDiagnostics, context);
1518	}
1519	}
1520	}
1521	}
1522	// we check inherited constraints
1523	if (inheritsConstraints)
1524	{
1525	for (EClass c : theEClass.getESuperTypes())
1526	{
1527	result &= validate_UserConstraintsByEClass(c, object, theDiagnostics, context);
1528	}
1529	}
1530	}
1531	}
1532	return result;
1533	}
1534
1535	/**
1536	* @since 2.5
1537	* @param object the eobject to check
1538	* @param theDiagnostics the diagnostic to modify if problem
1539	* @param context the context
1540	* @return true if user constraint is ok false else
1541	*/
1542	protected boolean validate_UserConstraints(EObject object, DiagnosticChain theDiagnostics, Map<Object, Object> context)
1543	{
1544	EClass theclass = object.eClass();
1545	boolean result = validate_UserConstraintsByEClass(theclass, object, theDiagnostics, context);
1421	return result;	1546	return result;
1422	}	1547	}
1423		1548

Lines 55-61 Link Here

(-)src/org/eclipse/emf/ecore/plugin/EcorePlugin.java (-62 / +65 lines)
55	* A collection of platform-neutral static utilities	55	* A collection of platform-neutral static utilities
56	* as well as Eclipse support utilities.	56	* as well as Eclipse support utilities.
57	*/	57	*/
58	public class EcorePlugin extends EMFPlugin	58	public class EcorePlugin extends EMFPlugin
59	{	59	{
60	/**	60	/**
61	* The singleton instance of the plugin.	61	* The singleton instance of the plugin.
Lines 67-73 Link Here
67	*/	67	*/
68	private EcorePlugin()	68	private EcorePlugin()
69	{	69	{
70	super(new ResourceLocator[] {});	70	super(new ResourceLocator []{});
71	}	71	}
72		72
73	@Override	73	@Override
Lines 162-168 Link Here
162	* @param arguments an array of "command line" options.	162	* @param arguments an array of "command line" options.
163	* @return the arguments stripped of those recognized as platform resource options.	163	* @return the arguments stripped of those recognized as platform resource options.
164	*/	164	*/
165	public static String [] handlePlatformResourceOptions(String [] arguments)	165	public static String[] handlePlatformResourceOptions(String[] arguments)
166	{	166	{
167	getPlatformResourceMap();	167	getPlatformResourceMap();
168		168
Lines 204-210 Link Here
204	}	204	}
205	}	205	}
206		206
207	String [] remainingArguments = new String [arguments.length - (i - start)];	207	String[] remainingArguments = new String [arguments.length - (i - start)];
208	System.arraycopy(arguments, 0, remainingArguments, 0, start);	208	System.arraycopy(arguments, 0, remainingArguments, 0, start);
209	System.arraycopy(arguments, i, remainingArguments, start, arguments.length - i);	209	System.arraycopy(arguments, i, remainingArguments, start, arguments.length - i);
210	return remainingArguments;	210	return remainingArguments;
Lines 213-219 Link Here
213		213
214	return arguments;	214	return arguments;
215	}	215	}
216		216
217	/**	217	/**
218	* Returns a map from {@link EPackage#getNsURI() package namespace URI} (represented as a String)	218	* Returns a map from {@link EPackage#getNsURI() package namespace URI} (represented as a String)
219	* to the location of the GenModel containing a GenPackage for the package (represented as a {@link URI URI}).	219	* to the location of the GenModel containing a GenPackage for the package (represented as a {@link URI URI}).
Lines 258-267 Link Here
258	}	258	}
259	return result;	259	return result;
260	}	260	}
261		261
262	private static Pattern bundleSymbolNamePattern;	262	private static Pattern bundleSymbolNamePattern;
263	private static byte [] NO_BYTES = new byte [0];	263	private static byte[] NO_BYTES = new byte [0];
264		264
265	/**	265	/**
266	* Computes a map from <code>platform:/plugin/<plugin-id>/</code> {@link URI} to	266	* Computes a map from <code>platform:/plugin/<plugin-id>/</code> {@link URI} to
267	* <code>platform:/resource/<plugin-location>/</code> URI	267	* <code>platform:/resource/<plugin-location>/</code> URI
Lines 277-288 Link Here
277	Map<URI, URI> result = new HashMap<URI, URI>();	277	Map<URI, URI> result = new HashMap<URI, URI>();
278	IWorkspaceRoot root = getWorkspaceRoot();	278	IWorkspaceRoot root = getWorkspaceRoot();
279	if (root != null)	279	if (root != null)
280	{	280	{
281	IProject [] projects = root.getProjects();	281	IProject[] projects = root.getProjects();
282	if (projects != null)	282	if (projects != null)
283	{	283	{
284	String pluginID = null;	284	String pluginID = null;
285		285
286	class Handler extends DefaultHandler	286	class Handler extends DefaultHandler
287	{	287	{
288	public String pluginID;	288	public String pluginID;
Lines 298-308 Link Here
298	}	298	}
299	}	299	}
300	Handler handler = new Handler();	300	Handler handler = new Handler();
301		301
302	SAXParserFactory parserFactory= SAXParserFactory.newInstance();	302	SAXParserFactory parserFactory = SAXParserFactory.newInstance();
303	parserFactory.setNamespaceAware(true);	303	parserFactory.setNamespaceAware(true);
304	SAXParser parser = null;	304	SAXParser parser = null;
305		305
306	try	306	try
307	{	307	{
308	parser = parserFactory.newSAXParser();	308	parser = parserFactory.newSAXParser();
Lines 311-324 Link Here
311	{	311	{
312	INSTANCE.log(exception);	312	INSTANCE.log(exception);
313	}	313	}
314		314
315	if (bundleSymbolNamePattern == null)	315	if (bundleSymbolNamePattern == null)
316	{	316	{
317	bundleSymbolNamePattern = Pattern.compile("^\\sBundle-SymbolicName\\s:\\s([^\\s;])\\s(;.)?$", Pattern.MULTILINE);	317	bundleSymbolNamePattern = Pattern.compile("^\\sBundle-SymbolicName\\s:\\s([^\\s;])\\s(;.)?$", Pattern.MULTILINE);
318	}	318	}
319		319
320	byte [] bytes = NO_BYTES;	320	byte[] bytes = NO_BYTES;
321		321
322	for (int i = 0, size = projects.length; i < size; ++i)	322	for (int i = 0, size = projects.length; i < size; ++i)
323	{	323	{
324	IProject project = projects[i];	324	IProject project = projects[i];
Lines 331-337 Link Here
331	InputStream inputStream = null;	331	InputStream inputStream = null;
332	try	332	try
333	{	333	{
334	inputStream = manifest.getContents();	334	inputStream = manifest.getContents();
335	int available = inputStream.available();	335	int available = inputStream.available();
336	if (bytes.length < available)	336	if (bytes.length < available)
337	{	337	{
Lines 386-406 Link Here
386	}	386	}
387	}	387	}
388	}	388	}
389		389
390	if (pluginID != null)	390	if (pluginID != null)
391	{	391	{
392	URI platformPluginURI = URI.createPlatformPluginURI(pluginID + "/", false);	392	URI platformPluginURI = URI.createPlatformPluginURI(pluginID + "/", false);
393	URI platformResourceURI = URI.createPlatformResourceURI(project.getName() + "/", true);	393	URI platformResourceURI = URI.createPlatformResourceURI(project.getName() + "/", true);
394	result.put(platformPluginURI, platformResourceURI);	394	result.put(platformPluginURI, platformResourceURI);
395	}	395	}
396	}	396	}
397	}	397	}
398	}	398	}
399	}	399	}
400		400
401	return result;	401	return result;
402	}	402	}
403		403
404	/**	404	/**
405	* Computes a map so that plugins in the workspace will override those in the environment	405	* Computes a map so that plugins in the workspace will override those in the environment
406	* and so that plugins with Ecore and GenModels will look like projects in the workspace.	406	* and so that plugins with Ecore and GenModels will look like projects in the workspace.
Lines 425-437 Link Here
425	result.putAll(computePlatformResourceToPlatformPluginMap(new HashSet<URI>(EcorePlugin.getEPackageNsURIToGenModelLocationMap().values())));	425	result.putAll(computePlatformResourceToPlatformPluginMap(new HashSet<URI>(EcorePlugin.getEPackageNsURIToGenModelLocationMap().values())));
426	return result;	426	return result;
427	}	427	}
428		428
429	/**	429	/**
430	* The platform resource map.	430	* The platform resource map.
431	* @see #getPlatformResourceMap	431	* @see #getPlatformResourceMap
432	*/	432	*/
433	private static Map<String, URI> platformResourceMap;	433	private static Map<String, URI> platformResourceMap;
434		434
435	/**	435	/**
436	* The map from package namespace URIs to the location of the GenModel for that package.	436	* The map from package namespace URIs to the location of the GenModel for that package.
437	* @see #getPlatformResourceMap	437	* @see #getPlatformResourceMap
Lines 452-458 Link Here
452	super();	452	super();
453	plugin = this;	453	plugin = this;
454	}	454	}
455		455
456	/**	456	/**
457	* Starts up this plugin by reading some extensions and populating the relevant registries.	457	* Starts up this plugin by reading some extensions and populating the relevant registries.
458	* <p>	458	* <p>
Lines 520-571 Link Here
520	workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();	520	workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
521	}	521	}
522		522
523	new RegistryReader	523	new RegistryReader(
524	(Platform.getExtensionRegistry(),	524	Platform.getExtensionRegistry(),
525	EcorePlugin.getPlugin().getBundle().getSymbolicName(),	525	EcorePlugin.getPlugin().getBundle().getSymbolicName(),
526	PACKAGE_REGISTRY_IMPLEMENTATION_PPID)	526	PACKAGE_REGISTRY_IMPLEMENTATION_PPID)
527	{
528	IConfigurationElement previous;
529
530	@Override
531	protected boolean readElement(IConfigurationElement element)
532	{	527	{
533	if (element.getName().equals("registry"))	528	IConfigurationElement previous;
		529
		530	@Override
		531	protected boolean readElement(IConfigurationElement element)
534	{	532	{
535	String implementationClass = element.getAttribute("class");	533	if (element.getName().equals("registry"))
536	if (implementationClass == null)
537	{	534	{
538	logMissingAttribute(element, "class");	535	String implementationClass = element.getAttribute("class");
539	}	536	if (implementationClass == null)
540	else	537	{
541	{	538	logMissingAttribute(element, "class");
542	if (defaultRegistryImplementation != null)	539	}
		540	else
543	{	541	{
544	if (previous != null)	542	if (defaultRegistryImplementation != null)
545	{	543	{
546	log("Both '" + previous.getContributor().getName() + "' and '" + element.getContributor().getName() + "' register a package registry implementation");	544	if (previous != null)
		545	{
		546	log("Both '" + previous.getContributor().getName() + "' and '" + element.getContributor().getName()
		547	+ "' register a package registry implementation");
		548	}
		549	if (defaultRegistryImplementation instanceof EPackageRegistryImpl.Delegator)
		550	{
		551	return false;
		552	}
547	}	553	}
548	if (defaultRegistryImplementation instanceof EPackageRegistryImpl.Delegator)	554	try
549	{	555	{
550	return false;	556	defaultRegistryImplementation = (EPackage.Registry)element.createExecutableExtension("class");
		557	previous = element;
551	}	558	}
		559	catch (CoreException exception)
		560	{
		561	log(exception);
		562	}
		563	return true;
552	}	564	}
553	try
554	{
555	defaultRegistryImplementation = (EPackage.Registry)element.createExecutableExtension("class");
556	previous = element;
557	}
558	catch (CoreException exception)
559	{
560	log(exception);
561	}
562	return true;
563	}	565	}
		566	return false;
564	}	567	}
565	return false;	568
566	}	569	}.readRegistry();
567
568	}.readRegistry();
569		570
570	new GeneratedPackageRegistryReader(getEPackageNsURIToGenModelLocationMap()).readRegistry();	571	new GeneratedPackageRegistryReader(getEPackageNsURIToGenModelLocationMap()).readRegistry();
571	new DynamicPackageRegistryReader().readRegistry();	572	new DynamicPackageRegistryReader().readRegistry();
Lines 575-587 Link Here
575	new ContentParserRegistryReader().readRegistry();	576	new ContentParserRegistryReader().readRegistry();
576	new ContentHandlerRegistryReader().readRegistry();	577	new ContentHandlerRegistryReader().readRegistry();
577	new URIMappingRegistryReader().readRegistry();	578	new URIMappingRegistryReader().readRegistry();
		579	new ConstraintsDelegatorFactoryRegistryReader().readRegistry();
578	}	580	}
579	}	581	}
580		582
581	/**	583	/**
582	* The default registry implementation singleton.	584	* The default registry implementation singleton.
583	*/	585	*/
584	private static EPackage.Registry defaultRegistryImplementation;	586	private static EPackage.Registry defaultRegistryImplementation;
585		587
586	/**	588	/**
587	* Returns the default registry implementation singleton.	589	* Returns the default registry implementation singleton.
Lines 631-634 Link Here
631	public static final String SCHEME_PARSER_PPID = "scheme_parser";	633	public static final String SCHEME_PARSER_PPID = "scheme_parser";
632	public static final String URI_MAPPING_PPID = "uri_mapping";	634	public static final String URI_MAPPING_PPID = "uri_mapping";
633	public static final String PACKAGE_REGISTRY_IMPLEMENTATION_PPID = "package_registry_implementation";	635	public static final String PACKAGE_REGISTRY_IMPLEMENTATION_PPID = "package_registry_implementation";
		636	public static final String CONSTRAINTS_DELEGATOR_FACTORY = "constraints_delegator_registry";
634	}	637	}

Added Link Here

(-)src/org/eclipse/emf/ecore/plugin/ConstraintsDelegatorFactoryRegistryReader.java (+87 lines)
1	/**
2	* <copyright>
3	*
4	* Copyright (c) 2005 IBM Corporation and others.
5	* All rights reserved. This program and the accompanying materials
6	* are made available under the terms of the Common Public License v1.0
7	* which accompanies this distribution, and is available at
8	* http://www.eclipse.org/legal/cpl-v10.html
9	*
10	* Contributors:
11	* IBM - Initial API and implementation
12	*
13	* </copyright>
14	*
15	* $Id: EMF_codetemplates.xml,v 1.1 2008/05/06 20:12:20 nickb Exp $
16	*/
17	package org.eclipse.emf.ecore.plugin;
18
19	import org.eclipse.core.runtime.CoreException;
20	import org.eclipse.core.runtime.IConfigurationElement;
21	import org.eclipse.core.runtime.Platform;
22	import org.eclipse.emf.common.util.WrappedException;
23	import org.eclipse.emf.ecore.util.ConstraintsDelegator;
24	import org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory;
25
26	/**
27	* A plugin extension reader that populates the
28	* {@link org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory.Registry#INSTANCE global} resource factory's
29	* Clients are not expected to use this class directly.
30	*/
31	public class ConstraintsDelegatorFactoryRegistryReader extends RegistryReader
32	{
33	static final String TAG_FACTORY = "factory";
34	static final String ATT_URI = "uri";
35	static final String ATT_CLASS = "class";
36
37	public ConstraintsDelegatorFactoryRegistryReader()
38	{
39	super
40	(Platform.getExtensionRegistry(),
41	EcorePlugin.getPlugin().getBundle().getSymbolicName(),
42	EcorePlugin.CONSTRAINTS_DELEGATOR_FACTORY);
43	}
44
45	@Override
46	protected boolean readElement(IConfigurationElement element, boolean add)
47	{
48	if (element.getName().equals(TAG_FACTORY))
49	{
50	String packageURI = element.getAttribute(ATT_URI);
51	if (packageURI == null)
52	{
53	logMissingAttribute(element, ATT_URI);
54	}
55	else if (element.getAttribute(ATT_CLASS) == null)
56	{
57	logMissingAttribute(element, ATT_CLASS);
58	}
59	else
60	{
61	try
62	{
63	Object o = element.createExecutableExtension(ATT_CLASS);
64	if (o instanceof ConstraintsDelegator.Factory)
65	{
66	Factory tmp = ConstraintsDelegator.Factory.Registry.INSTANCE.getFactory(packageURI);
67	if (tmp != null)
68	{
69	EcorePlugin.INSTANCE.log
70	("factory '" + o.getClass().getName() + "'tries to override '" + packageURI + "' instead of factor '" + tmp.getClass().getName()+"'");
71	}
72	else
73	{
74	ConstraintsDelegator.Factory.Registry.INSTANCE.putFactory(packageURI, (Factory)o);
75	}
76	}
77	return true;
78	}
79	catch (CoreException e)
80	{
81	throw new WrappedException(e);
82	}
83	}
84	}
85	return false;
86	}
87	}

Added Link Here

(-)schema/constraints_delegator_registry.exsd (+113 lines)
1	<?xml version='1.0' encoding='UTF-8'?>
2	<!-- Schema file written by PDE -->
3	<schema targetNamespace="org.eclipse.emf.ecore" xmlns="http://www.w3.org/2001/XMLSchema">
4	<annotation>
5	<appinfo>
6	<meta.schema plugin="org.eclipse.emf.ecore" id="constraints_delegator_registry" name="%_UI_ConstraintsDelegatorRegistry_extensionpoint"/>
7	</appinfo>
8	<documentation>
9	Adds a ConstraintDelegatorFactory to check constraints in Ecore models
10	</documentation>
11	</annotation>
12
13	<element name="extension">
14	<annotation>
15	<appinfo>
16	<meta.element />
17	</appinfo>
18	</annotation>
19	<complexType>
20	<sequence>
21	<element ref="factory"/>
22	</sequence>
23	<attribute name="point" type="string" use="required">
24	<annotation>
25	<documentation>
26
27	</documentation>
28	</annotation>
29	</attribute>
30	<attribute name="id" type="string">
31	<annotation>
32	<documentation>
33
34	</documentation>
35	</annotation>
36	</attribute>
37	<attribute name="name" type="string">
38	<annotation>
39	<documentation>
40
41	</documentation>
42	<appinfo>
43	<meta.attribute translatable="true"/>
44	</appinfo>
45	</annotation>
46	</attribute>
47	</complexType>
48	</element>
49
50	<element name="factory">
51	<complexType>
52	<attribute name="uri" type="string" use="required">
53	<annotation>
54	<documentation>
55	the uri which will be inserted by user to check constraints
56	</documentation>
57	</annotation>
58	</attribute>
59	<attribute name="class" type="string" use="required">
60	<annotation>
61	<documentation>
62	A fully qualified name of the Java class implementing <samp>org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory
63	</samp>.
64	</documentation>
65	<appinfo>
66	<meta.attribute kind="java" basedOn=":org.eclipse.emf.ecore.util.ConstraintsDelegator.Factory"/>
67	</appinfo>
68	</annotation>
69	</attribute>
70	</complexType>
71	</element>
72
73	<annotation>
74	<appinfo>
75	<meta.section type="since"/>
76	</appinfo>
77	<documentation>
78	2.5.0
79	</documentation>
80	</annotation>
81
82	<annotation>
83	<appinfo>
84	<meta.section type="examples"/>
85	</appinfo>
86	<documentation>
87	Following is an example of implementation
88	<pre>
89	<extension
90	point="org.eclipse.emf.ecore.constraints_delegator_regstry">
91	<factory
92	class="ocl.test.ConstraintsDelegator.MyFactory"
93	uri="org.eclipse.emf.ocl">
94	</factory>
95	</extension>
96	</pre>
97	</documentation>
98	</annotation>
99
100
101
102	<annotation>
103	<appinfo>
104	<meta.section type="copyright"/>
105	</appinfo>
106	<documentation>
107	Copyright (c) 2002, 2004 IBM Corporation and others.<br>
108	All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at <a
109	href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>
110	</documentation>
111	</annotation>
112
113	</schema>

Added Link Here

(-)src/org/eclipse/emf/ecore/util/ConstraintsDelegator.java (+85 lines)
1	/**
2	* <copyright>
3	*
4	* Copyright (c) 2005 IBM Corporation and others.
5	* All rights reserved. This program and the accompanying materials
6	* are made available under the terms of the Common Public License v1.0
7	* which accompanies this distribution, and is available at
8	* http://www.eclipse.org/legal/cpl-v10.html
9	*
10	* Contributors:
11	* IBM - Initial API and implementation
12	*
13	* </copyright>
14	*
15	* $Id: ConstraintsDelegator.java,v 1.0 2008/11/19 16:37:42 tfaure Exp $
16	*/
17	package org.eclipse.emf.ecore.util;
18
19	import java.util.HashMap;
20	import java.util.Map;
21
22	import org.eclipse.emf.common.util.DiagnosticChain;
23	import org.eclipse.emf.ecore.EObject;
24
25
26	/**
27	* An interface to validate a constraint
28	* The only method to implement is {@link #validate(String, EObject, DiagnosticChain, Map)
29	* To add a factory please see extension point : constraints_delegator_regstry
30	*/
31	public interface ConstraintsDelegator
32	{
33	interface Factory
34	{
35	interface Registry
36	{
37	Registry INSTANCE = new Impl();
38
39	/**
40	* Returns the factory identified by the key
41	* @param key the factory id
42	* @return the factory or null if it doesn't exist
43	*/
44	Factory getFactory(String key);
45
46	/**
47	* Registers a factory and associates it to an id
48	* @param key the id
49	* @param value the factory
50	*/
51	void putFactory(String key, Factory value);
52
53	class Impl extends HashMap<String, Factory> implements Registry
54	{
55	private static final long serialVersionUID = 1L;
56
57	public Factory getFactory(String key)
58	{
59	return get(key);
60	}
61
62	public void putFactory(String key, Factory value)
63	{
64	put(key, value);
65	}
66	}
67	}
68
69	/**
70	* Create a constraint delegator which is able to check a constraint
71	* @return the constraint Delegator
72	*/
73	ConstraintsDelegator createConstraintDelegator();
74	}
75
76	/**
77	* Validate a constraint and add to the diagnostic chain the evaluation's diagnostic
78	* @param value the expression to manage
79	* @param object the current EObject
80	* @param theDiagnostics the diagnostic's chain
81	* @param context the context of the current validation
82	* @return true if it's OK else false
83	*/
84	boolean validate(String constraint,String name, int severity, String message, EObject object, DiagnosticChain theDiagnostics, Map<Object, Object> context);
85	}