Attachment #192421 for bug #341712

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 ******************************************************************************/
package org.eclipse.rwt;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.*;

import javax.servlet.http.HttpServletRequest;

    return ContextProvider.getSession();
  }
  
  // TODO [DISCUSS_API]
  /**
   * Returns the <code>IApplicationStore</code> instance that represents the web context's
   * global data storage area.
   * 
   * @return instance of {@link IApplicationStore}
   * @since 1.4
   */
  public static IApplicationStore getApplicationStore() {
    return ( IApplicationStore )RWTContext.getSingleton( ApplicationStoreImpl.class );
  }
  
  /**
   * Returns the <code>HttpServletRequest</code> that is currently
   * processed.

Lines 34-39 Link Here

(-)src/org/eclipse/rwt/internal/engine/RWTContextUtil.java (+1 lines)
34	= RWTContext.class.getName() + "#RWTContext";	34	= RWTContext.class.getName() + "#RWTContext";
35		35
36	private static final Class[] INSTANCE_TYPES = new Class[] {	36	private static final Class[] INSTANCE_TYPES = new Class[] {
		37	ApplicationStoreImpl.class, // TODO [DISCUSS_API]
37	ThemeManagerInstance.class,	38	ThemeManagerInstance.class,
38	ResourceManagerImpl.class,	39	ResourceManagerImpl.class,
39	ResourceManager.class,	40	ResourceManager.class,




/*******************************************************************************
 * Copyright (c) 2011 EclipseSource and others.
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    EclipseSource - initial API and implementation
 ******************************************************************************/
package org.eclipse.rwt.internal.service;

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

import org.eclipse.rwt.service.IApplicationStore;

// TODO [DISCUSS_API]
public class ApplicationStoreImpl implements IApplicationStore {
  private final Map attributes;
  
  public ApplicationStoreImpl() {
    attributes = new HashMap();
  }
  
  public Object getAttribute( String name ) {
    Object result;
    synchronized( attributes ) {
      result = attributes.get( name );
    }
    return result;
  }

  public void setAttribute( String name, Object value ) {
    synchronized( attributes ) {
      attributes.put( name, value );
    }
  }

  public void removeAttribute( String name ) {
    synchronized( attributes ) {
      attributes.remove( name );
    }
  }
}




/*******************************************************************************
 * Copyright (c) 2011 EclipseSource and others.
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    EclipseSource - initial API and implementation
 ******************************************************************************/
package org.eclipse.rwt.service;

// TODO [DISCUSS_API]
/**
 * The <code>IApplicationStore</code> can be used as store for data that spans
 * the lifecycle of a web application instance.
 * 
 * 
 * <p><strong>Note:</strong> the <code>IApplicationStore</code> implementation is used
 * in the so called application-scope. That means all information stored here will be 
 * lost once the application web context is destroyed. Application-scope also implies
 * concurrent access. Therefore the implementation of <code>IApplicationStore</code>
 * has to provide a proper synchronization of its storage datastructure.</p>
 * 
 * @see org.eclipse.rwt.RWT
 * @since 1.4
 */
public interface IApplicationStore {

  /**
   * Stores the given value object with the given name as key in this
   * <code>IApplicationStore</code> instance.
   */
  void setAttribute( String name, Object value );

  /**
   * Returns the value object which is stored under the given name in this
   * <code>IApplicationStore</code> instance or null if no value object has been stored.
   */
  Object getAttribute( String name );

  /**
   * Removes the value object which is stored under the given name in this
   * <code>IApplicationStore</code> instance. Does nothing if no value object was stored
   * under the given name.
   */
  void removeAttribute( String name );
}

Lines 74-79 Link Here

(-)src/org/eclipse/RWTHostTestSuite.java (+1 lines)
74	suite.addTestSuite( Scope_Test.class );	74	suite.addTestSuite( Scope_Test.class );
75	suite.addTestSuite( ServiceHandler_Test.class );	75	suite.addTestSuite( ServiceHandler_Test.class );
76	suite.addTestSuite( SessionStore_Test.class );	76	suite.addTestSuite( SessionStore_Test.class );
		77	suite.addTestSuite( ApplicationStoreImpl_Test.class );
77	suite.addTestSuite( EngineConfig_Test.class );	78	suite.addTestSuite( EngineConfig_Test.class );
78	suite.addTestSuite( QxCleanup_Test.class );	79	suite.addTestSuite( QxCleanup_Test.class );
79	suite.addTestSuite( ResourceManagerImpl_Test.class );	80	suite.addTestSuite( ResourceManagerImpl_Test.class );

Lines 11-18 Link Here

(-)src/org/eclipse/rwt/RWT_Test.java (+9 lines)
11		11
12	import junit.framework.TestCase;	12	import junit.framework.TestCase;
13		13
		14	import org.eclipse.rwt.internal.engine.RWTContext;
14	import org.eclipse.rwt.internal.lifecycle.DisplayUtil;	15	import org.eclipse.rwt.internal.lifecycle.DisplayUtil;
		16	import org.eclipse.rwt.internal.service.ApplicationStoreImpl;
15	import org.eclipse.rwt.internal.service.RequestParams;	17	import org.eclipse.rwt.internal.service.RequestParams;
		18	import org.eclipse.rwt.service.IApplicationStore;
16	import org.eclipse.swt.SWT;	19	import org.eclipse.swt.SWT;
17	import org.eclipse.swt.SWTException;	20	import org.eclipse.swt.SWTException;
18	import org.eclipse.swt.widgets.Display;	21	import org.eclipse.swt.widgets.Display;
Lines 62-67 Link Here
62	assertNotNull( requestThread[ 0 ] );	65	assertNotNull( requestThread[ 0 ] );
63	}	66	}
64		67
		68	public void testGetApplicationStore() {
		69	IApplicationStore applicationStore = RWT.getApplicationStore();
		70
		71	assertSame( applicationStore, RWTContext.getSingleton( ApplicationStoreImpl.class ) );
		72	}
		73
65	protected void setUp() throws Exception {	74	protected void setUp() throws Exception {
66	Fixture.setUp();	75	Fixture.setUp();
67	}	76	}




/*******************************************************************************
 * Copyright (c) 2011 EclipseSource and others.
 * 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
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    EclipseSource - initial API and implementation
 ******************************************************************************/
package org.eclipse.rwt.internal.service;

import junit.framework.TestCase;


public class ApplicationStoreImpl_Test extends TestCase {
  private static final String VALUE = "value";
  private static final String KEY = "key";

  public void testGetAttribute() {
    ApplicationStoreImpl applicationStore = new ApplicationStoreImpl();
    applicationStore.setAttribute( KEY, VALUE );
    
    Object attribute = applicationStore.getAttribute( KEY );
    
    assertSame( VALUE, attribute );
  }

  public void testRemoveAttribute() {
    ApplicationStoreImpl applicationStore = new ApplicationStoreImpl();
    applicationStore.setAttribute( KEY, VALUE );
    
    applicationStore.removeAttribute( KEY );
    
    assertSame( null, applicationStore.getAttribute( KEY ) );
  }
}

Return to bug 341712

Lines 13-19 Link Here

(-)src/org/eclipse/rwt/RWT.java (-1 / +14 lines)
13	******************************************************************************/	13	******************************************************************************/
14	package org.eclipse.rwt;	14	package org.eclipse.rwt;
15		15
16	import java.lang.reflect.*;	16	import java.lang.reflect.Field;
		17	import java.lang.reflect.Modifier;
17	import java.util.*;	18	import java.util.*;
18		19
19	import javax.servlet.http.HttpServletRequest;	20	import javax.servlet.http.HttpServletRequest;
Lines 225-230 Link Here
225	return ContextProvider.getSession();	226	return ContextProvider.getSession();
226	}	227	}
227		228
		229	// TODO [DISCUSS_API]
		230	/**
		231	* Returns the <code>IApplicationStore</code> instance that represents the web context's
		232	* global data storage area.
		233	*
		234	* @return instance of {@link IApplicationStore}
		235	* @since 1.4
		236	*/
		237	public static IApplicationStore getApplicationStore() {
		238	return ( IApplicationStore )RWTContext.getSingleton( ApplicationStoreImpl.class );
		239	}
		240
228	/**	241	/**
229	* Returns the <code>HttpServletRequest</code> that is currently	242	* Returns the <code>HttpServletRequest</code> that is currently
230	* processed.	243	* processed.

Added Link Here

(-)src/org/eclipse/rwt/internal/service/ApplicationStoreImpl.java (+45 lines)
1	/*******************************************************************************
2	* Copyright (c) 2011 EclipseSource and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* EclipseSource - initial API and implementation
10	******************************************************************************/
11	package org.eclipse.rwt.internal.service;
12
13	import java.util.HashMap;
14	import java.util.Map;
15
16	import org.eclipse.rwt.service.IApplicationStore;
17
18	// TODO [DISCUSS_API]
19	public class ApplicationStoreImpl implements IApplicationStore {
20	private final Map attributes;
21
22	public ApplicationStoreImpl() {
23	attributes = new HashMap();
24	}
25
26	public Object getAttribute( String name ) {
27	Object result;
28	synchronized( attributes ) {
29	result = attributes.get( name );
30	}
31	return result;
32	}
33
34	public void setAttribute( String name, Object value ) {
35	synchronized( attributes ) {
36	attributes.put( name, value );
37	}
38	}
39
40	public void removeAttribute( String name ) {
41	synchronized( attributes ) {
42	attributes.remove( name );
43	}
44	}
45	}

Added Link Here

(-)src/org/eclipse/rwt/service/IApplicationStore.java (+48 lines)
1	/*******************************************************************************
2	* Copyright (c) 2011 EclipseSource and others.
3	* All rights reserved. This program and the accompanying materials
4	* are made available under the terms of the Eclipse Public License v1.0
5	* which accompanies this distribution, and is available at
6	* http://www.eclipse.org/legal/epl-v10.html
7	*
8	* Contributors:
9	* EclipseSource - initial API and implementation
10	******************************************************************************/
11	package org.eclipse.rwt.service;
12
13	// TODO [DISCUSS_API]
14	/**
15	* The <code>IApplicationStore</code> can be used as store for data that spans
16	* the lifecycle of a web application instance.
17	*
18	*
19	* <p><strong>Note:</strong> the <code>IApplicationStore</code> implementation is used
20	* in the so called application-scope. That means all information stored here will be
21	* lost once the application web context is destroyed. Application-scope also implies
22	* concurrent access. Therefore the implementation of <code>IApplicationStore</code>
23	* has to provide a proper synchronization of its storage datastructure.</p>
24	*
25	* @see org.eclipse.rwt.RWT
26	* @since 1.4
27	*/
28	public interface IApplicationStore {
29
30	/**
31	* Stores the given value object with the given name as key in this
32	* <code>IApplicationStore</code> instance.
33	*/
34	void setAttribute( String name, Object value );
35
36	/**
37	* Returns the value object which is stored under the given name in this
38	* <code>IApplicationStore</code> instance or null if no value object has been stored.
39	*/
40	Object getAttribute( String name );
41
42	/**
43	* Removes the value object which is stored under the given name in this
44	* <code>IApplicationStore</code> instance. Does nothing if no value object was stored
45	* under the given name.
46	*/
47	void removeAttribute( String name );
48	}