diff options
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.java | 342 |
1 files changed, 0 insertions, 342 deletions
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; - } -} |