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Diffstat (limited to 'bundles/org.eclipse.wst.ws.service.policy/src/org/eclipse/wst/ws/service/internal/policy/PolicyStateImpl.java')
-rw-r--r--bundles/org.eclipse.wst.ws.service.policy/src/org/eclipse/wst/ws/service/internal/policy/PolicyStateImpl.java342
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diff --git a/bundles/org.eclipse.wst.ws.service.policy/src/org/eclipse/wst/ws/service/internal/policy/PolicyStateImpl.java b/bundles/org.eclipse.wst.ws.service.policy/src/org/eclipse/wst/ws/service/internal/policy/PolicyStateImpl.java
deleted file mode 100644
index 35a581c63..000000000
--- a/bundles/org.eclipse.wst.ws.service.policy/src/org/eclipse/wst/ws/service/internal/policy/PolicyStateImpl.java
+++ /dev/null
@@ -1,342 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2009 IBM Corporation 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:
- * IBM Corporation - initial API and implementation
- * yyyymmdd bug Email and other contact information
- * -------- -------- -----------------------------------------------------------
- * 20071024 196997 pmoogk@ca.ibm.com - Peter Moogk
- * 20071221 213492 pmoogk@ca.ibm.com - Peter Moogk
- * 20080109 214818 pmoogk@ca.ibm.com - Peter Moogk
- * 20080325 222095 pmoogk@ca.ibm.com - Peter Moogk
- * 20080430 221578 pmoogk@ca.ibm.com - Peter Moogk, Fixed commit problem.
- * 20080625 238482 pmoogk@ca.ibm.com - Peter Moogk, Adding thread safety to the service platform api.
- * 20090327 270283 mahutch@ca.ibm.com - Mark Hutchinson, IPolicyStateChangeListener not notified first time change is made
- * 20090514 276329 ericdp@ca.ibm.com - Eric D. Peters, Service Policy platform regression, causing NPE for listeners
- *******************************************************************************/
-package org.eclipse.wst.ws.service.internal.policy;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Vector;
-
-import org.eclipse.core.resources.IProject;
-import org.eclipse.core.resources.ProjectScope;
-import org.eclipse.core.runtime.Platform;
-import org.eclipse.core.runtime.preferences.IEclipsePreferences;
-import org.eclipse.core.runtime.preferences.IPreferencesService;
-import org.eclipse.core.runtime.preferences.InstanceScope;
-import org.eclipse.wst.ws.service.policy.IPolicyState;
-import org.eclipse.wst.ws.service.policy.IServicePolicy;
-import org.eclipse.wst.ws.service.policy.ServicePolicyActivator;
-import org.eclipse.wst.ws.service.policy.ServicePolicyPlatform;
-import org.eclipse.wst.ws.service.policy.listeners.IPolicyStateChangeListener;
-
-public class PolicyStateImpl implements IPolicyState
-{
- private List<IPolicyStateChangeListener> stateChangeListeners;
- private List<IPolicyStateChangeListener> stateChangeListenersOnlyOnCommit;
- private IPreferencesService service;
- private IProject project;
- private boolean mutable;
- private IServicePolicy policy;
- private Map<String,TableEntry> table;
- private ServicePolicyPlatform platform;
-
- public PolicyStateImpl( ServicePolicyPlatform platform, IServicePolicy policy, IProject project)
- {
- this.service = Platform.getPreferencesService();
- this.platform = platform;
- this.project = project;
- this.policy = policy;
- this.mutable = policy.isPredefined() ? false : true;
- this.table = new HashMap<String, TableEntry>();
- }
-
- public void commitChanges()
- {
- // We don't do anything if this policy is not mutable.
- if( !mutable ) return;
-
- IEclipsePreferences preferences = null;
-
- if( project == null )
- {
- preferences = new InstanceScope().getNode( ServicePolicyActivator.PLUGIN_ID );
- }
- else
- {
- preferences = new ProjectScope( project ).getNode( ServicePolicyActivator.PLUGIN_ID );
- }
-
- for( Map.Entry<String, TableEntry> entry : table.entrySet() )
- {
- String key = entry.getKey();
- String storeKey = makeStoreKey( key );
- TableEntry tableEntry = entry.getValue();
- String value = tableEntry.value;
-
- if( value != null )
- {
- String oldValue = tableEntry.lastCommittedValue;
-
- // Always need to put the value in the backing store even if it is the same value
- // since we delete all preferences before committing them.
- preferences.put( storeKey, value );
- tableEntry.lastCommittedValue = value;
-
- if( oldValue == null )
- {
- //if the old value is null, and the new value is not null, need to fire a change
- firePolicyStateChange( stateChangeListenersOnlyOnCommit, key, oldValue, value );
-
- // Temporarily remove the tableEntry value so that getValue will get the old value.
- tableEntry.value = null;
- oldValue = getValue( key );
-
- // Restore the tableEntry value;
- tableEntry.value = value;
- }
-
- if( !value.equals( oldValue ) )
- {
- firePolicyStateChange( stateChangeListenersOnlyOnCommit, key, oldValue, value );
- }
- }
- }
- }
-
- private IEclipsePreferences[] getNodes()
- {
- IEclipsePreferences[] result = null;
-
- if( project != null && platform.isProjectPreferencesEnabled(project) )
- {
- result = new IEclipsePreferences[2];
- result[0] = new ProjectScope( project ).getNode( ServicePolicyActivator.PLUGIN_ID );
- result[1] = new InstanceScope().getNode( ServicePolicyActivator.PLUGIN_ID );
- }
- else
- {
- result = new IEclipsePreferences[1];
- result[0] = new InstanceScope().getNode( ServicePolicyActivator.PLUGIN_ID );
- }
-
- return result;
- }
-
- public void discardChanges()
- {
- if( !mutable ) return;
-
- for( TableEntry entry : table.values() )
- {
- entry.value = null;
- }
- }
-
- public void restoreDefaults()
- {
- // We want to restore the setting to there default state, but we don't
- // want change the backend eclipse preferences, since the user might not
- // commit these changes. Therefore, we will set the values for all the
- // table entries to their default value.
- if( project == null )
- {
- for( TableEntry entry : table.values() )
- {
- entry.value = entry.defaultValue;
- }
- }
- else
- {
- // Note: since we are restoring the state for a project we need to ensure
- // that only the instance scope values are used. (ie. we want to
- // ignore project scope values.)
- IEclipsePreferences[] nodes = new IEclipsePreferences[]{new InstanceScope().getNode( ServicePolicyActivator.PLUGIN_ID )};
-
- for( Map.Entry<String,TableEntry> entry : table.entrySet() )
- {
- String storeKey = makeStoreKey( entry.getKey() );
- TableEntry tableEntry = entry.getValue();
- String defaultValue = "";
-
- if( tableEntry.defaultValue != null )
- {
- defaultValue = tableEntry.defaultValue;
- }
-
- tableEntry.value = service.get( storeKey, defaultValue, nodes );
- }
- }
-
- }
-
- /**
- * The method gets the value from the following places in the given order.
- *
- * 1) From the local table.
- * 2) From the preference store nodes. Note: this could include searching
- * the project preference store and the plugin preference store.
- * 3) From the default in the local table.
- */
- public String getValue(String key)
- {
- String result = null;
- TableEntry entry = table.get( key );
-
- if( entry == null )
- {
- entry = new TableEntry();
- table.put( key, entry );
- }
-
- if( project == null ||
- ( project != null && platform.isProjectPreferencesEnabled( project ) ) )
- {
- result = entry.value;
- }
-
- if( result == null )
- {
- // We don't have a local value for this key so we will look in the
- // preference store.
- String defaultValue = ""; //$NON-NLS-1$
- String storeKey = makeStoreKey( key );
-
- if( entry.defaultValue != null )
- {
- defaultValue = entry.defaultValue;
- }
-
- result = service.get( storeKey, defaultValue, getNodes() );
- }
-
- return result;
- }
-
- private String makeStoreKey( String key )
- {
- return policy.getId() + "." + key; //$NON-NLS-1$
- }
-
- public boolean isMutable()
- {
- return mutable;
- }
-
- public void putDefaultValue( String key, String defaultValue, boolean overrideExisting )
- {
- if( !mutable ) return;
-
- TableEntry entry = table.get( key );
-
- if( entry == null )
- {
- entry = new TableEntry();
- table.put( key, entry );
- }
-
- if( entry.defaultValue == null || overrideExisting )
- {
- entry.defaultValue = defaultValue;
- }
-
- }
-
- public void putValue(String key, String value)
- {
- if( !mutable ) return;
-
- TableEntry entry = table.get( key );
-
- if( entry == null )
- {
- entry = new TableEntry();
- table.put( key, entry );
- }
-
- String oldValue = getValue( key );
-
- entry.value = value;
- firePolicyStateChange( stateChangeListeners, key, oldValue, value );
- }
-
- public void internalSetMutable( boolean mutable )
- {
- this.mutable = mutable;
- }
-
- public void setMutable(boolean mutable)
- {
- if( policy.isPredefined() )
- {
- ServicePolicyActivator.logError( "Attempt to set mutability on a predefined service policy.", null ); //$NON-NLS-1$
- }
- else
- {
- this.mutable = mutable;
- }
- }
-
- public void addPolicyStateChangeListener(IPolicyStateChangeListener listener, boolean notifyOnCommitOnly )
- {
- if( notifyOnCommitOnly )
- {
- if( stateChangeListenersOnlyOnCommit == null )
- {
- stateChangeListenersOnlyOnCommit = new Vector<IPolicyStateChangeListener>();
- }
-
- stateChangeListenersOnlyOnCommit.add( listener );
- }
- else
- {
- if( stateChangeListeners == null )
- {
- stateChangeListeners = new Vector<IPolicyStateChangeListener>();
- }
-
- stateChangeListeners.add( listener );
- }
- }
-
- public void removePolicyStateChangeListener(IPolicyStateChangeListener listener)
- {
- if( stateChangeListeners != null )
- {
- stateChangeListeners.remove( listener );
- }
-
- if( stateChangeListenersOnlyOnCommit != null )
- {
- stateChangeListenersOnlyOnCommit.remove( listener );
- }
- }
-
- private void firePolicyStateChange( List<IPolicyStateChangeListener> listeners,
- String key,
- String oldValue,
- String newValue )
- {
- if( listeners != null )
- {
- for( IPolicyStateChangeListener listener : listeners )
- {
- listener.policyStateChange( policy, key, oldValue, newValue );
- }
- }
- }
-
- private class TableEntry
- {
- String value;
- String lastCommittedValue;
- String defaultValue;
- }
-}

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