diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/resource/ResourceLocatorManager.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/resource/ResourceLocatorManager.java | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/resource/ResourceLocatorManager.java b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/resource/ResourceLocatorManager.java deleted file mode 100644 index 51fb9d5820..0000000000 --- a/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/resource/ResourceLocatorManager.java +++ /dev/null @@ -1,167 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2010, 2011 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.common.core.internal.resource; - -import static org.eclipse.jpt.common.core.internal.utility.XPointTools.findRequiredAttribute; -import static org.eclipse.jpt.common.core.internal.utility.XPointTools.log; -import static org.eclipse.jpt.common.core.internal.utility.XPointTools.logDuplicateExtension; -import static org.eclipse.jpt.common.core.internal.utility.XPointTools.logInvalidValue; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; -import java.util.TreeSet; -import org.eclipse.core.expressions.Expression; -import org.eclipse.core.expressions.ExpressionConverter; -import org.eclipse.core.resources.IProject; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IConfigurationElement; -import org.eclipse.core.runtime.IExtension; -import org.eclipse.core.runtime.IExtensionPoint; -import org.eclipse.core.runtime.IExtensionRegistry; -import org.eclipse.core.runtime.Platform; -import org.eclipse.jpt.common.core.JptCommonCorePlugin; -import org.eclipse.jpt.common.core.internal.resource.ResourceLocatorConfig.Priority; -import org.eclipse.jpt.common.core.internal.utility.XPointTools.XPointException; -import org.eclipse.jpt.common.core.resource.ResourceLocator; -import org.eclipse.jpt.common.utility.internal.KeyedSet; -import org.eclipse.jpt.common.utility.internal.iterables.FilteringIterable; -import org.eclipse.jpt.common.utility.internal.iterables.TransformationIterable; - -public class ResourceLocatorManager { - - public static final String EXTENSION_POINT_ID = "resourceLocators"; //$NON-NLS-1$ - public static final String QUALIFIED_EXTENSION_POINT_ID = JptCommonCorePlugin.PLUGIN_ID_ + EXTENSION_POINT_ID; - public static final String RESOURCE_LOCATOR_ELEMENT = "resourceLocator"; //$NON-NLS-1$ - public static final String ID_ATTRIBUTE = "id"; //$NON-NLS-1$ - public static final String CLASS_ATTRIBUTE = "class"; //$NON-NLS-1$ - public static final String PRIORITY_ATTRIBUTE = "priority"; //$NON-NLS-1$ - public static final String ENABLEMENT_ELEMENT = "enablement"; //$NON-NLS-1$ - - - private static ResourceLocatorManager INSTANCE = new ResourceLocatorManager(); - - - public static ResourceLocatorManager instance() { - return INSTANCE; - } - - - private KeyedSet<String, ResourceLocatorConfig> resourceLocatorConfigs; - - - private ResourceLocatorManager() { - this.resourceLocatorConfigs = new KeyedSet<String, ResourceLocatorConfig>(); - readExtensions(); - } - - - /** - * Return the {@link ResourceLocator} of highest priority that is acceptable - * for the given project - */ - public ResourceLocator getResourceLocator(final IProject project) { - Iterator<ResourceLocator> stream = new FilteringIterable<ResourceLocator>( - new TransformationIterable<ResourceLocatorConfig, ResourceLocator>( - new FilteringIterable<ResourceLocatorConfig>( - new TreeSet<ResourceLocatorConfig>(this.resourceLocatorConfigs.getItemSet())) { - @Override - protected boolean accept(ResourceLocatorConfig o) { - return o.isEnabledFor(project); - } - }) { - @Override - protected ResourceLocator transform(ResourceLocatorConfig o) { - return o.getResourceLocator(); - } - }) { - @Override - protected boolean accept(ResourceLocator o) { - return o != null; - } - }.iterator(); - return (stream.hasNext()) ? stream.next() : null; - } - - private void readExtensions() { - final IExtensionRegistry registry = Platform.getExtensionRegistry(); - - final IExtensionPoint xpoint - = registry.getExtensionPoint(QUALIFIED_EXTENSION_POINT_ID); - - if (xpoint == null) { - throw new IllegalStateException(); - } - - final List<IConfigurationElement> configs = new ArrayList<IConfigurationElement>(); - - for (IExtension extension : xpoint.getExtensions()) { - for (IConfigurationElement element : extension.getConfigurationElements()) { - configs.add(element); - } - } - - for (IConfigurationElement element : configs) { - if (element.getName().equals(RESOURCE_LOCATOR_ELEMENT)) { - readExtension(element); - } - } - } - - private void readExtension(IConfigurationElement element) { - try { - final ResourceLocatorConfig rlConfig = new ResourceLocatorConfig(); - - // plug-in id - rlConfig.setPluginId(element.getContributor().getName()); - - // resource locator id - rlConfig.setId(findRequiredAttribute(element, ID_ATTRIBUTE)); - - if (this.resourceLocatorConfigs.containsKey(rlConfig.getId())) { - logDuplicateExtension(QUALIFIED_EXTENSION_POINT_ID, ID_ATTRIBUTE, rlConfig.getId()); - throw new XPointException(); - } - - // resource locator class name - rlConfig.setClassName(findRequiredAttribute(element, CLASS_ATTRIBUTE)); - - // priority - String priorityString = element.getAttribute(PRIORITY_ATTRIBUTE).trim(); - Priority priority = Priority.get(priorityString); - if (priority == null) { - logInvalidValue(element, PRIORITY_ATTRIBUTE, priorityString); - throw new XPointException(); - } - rlConfig.setPriority(priority); - - // enablement - for (IConfigurationElement child : element.getChildren()) { - String childName = child.getName(); - if (childName.equals(ENABLEMENT_ELEMENT)) { - Expression expr; - try { - expr = ExpressionConverter.getDefault().perform(child); - } - catch (CoreException e) { - log(e); - throw new XPointException(); - } - rlConfig.setEnablementCondition(expr); - } - } - - this.resourceLocatorConfigs.addItem(rlConfig.getId(), rlConfig); - } - catch (XPointException e) { - // Ignore and continue. The problem has already been reported to the user - // in the log. - } - } -} |