diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/extension/BreakpointProviderBuilder.java')
| -rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/extension/BreakpointProviderBuilder.java | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/extension/BreakpointProviderBuilder.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/extension/BreakpointProviderBuilder.java deleted file mode 100644 index c2a4183fec..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/extension/BreakpointProviderBuilder.java +++ /dev/null @@ -1,403 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.ui.internal.extension; - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.StringTokenizer; - -import org.eclipse.core.resources.IResource; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IConfigurationElement; -import org.eclipse.core.runtime.IExtensionRegistry; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.content.IContentType; -import org.eclipse.swt.custom.BusyIndicator; -import org.eclipse.ui.IEditorInput; -import org.eclipse.ui.IEditorPart; -import org.eclipse.wst.sse.ui.internal.Logger; -import org.eclipse.wst.sse.ui.internal.provisional.extensions.ISourceEditingTextTools; -import org.eclipse.wst.sse.ui.internal.provisional.extensions.breakpoint.IBreakpointProvider; -import org.osgi.framework.Bundle; - - -/** - * Reads breakpoint extension registory and returns breakpoint provider - * instances - */ -public class BreakpointProviderBuilder extends RegistryReader { - - private static final String ATT_CLASS = "class"; //$NON-NLS-1$ - // private static final String ATT_ID = "id"; //$NON-NLS-1$ - private static final String ATT_CONTENT_TYPES = "contentTypes"; //$NON-NLS-1$ - private static final String ATT_EXTENSIONS = "extensions"; //$NON-NLS-1$ - private static BreakpointProviderBuilder instance; - private static final String PL_BREAKPOINT = "breakpoint"; //$NON-NLS-1$ - - private static final String PLUGIN_ID = "org.eclipse.wst.sse.ui"; //$NON-NLS-1$ - - private static final String TAG_BREAKPOINT_CONTRIBUTION = "breakpointContribution"; //$NON-NLS-1$ - private static final String TAG_PROVIDER = "provider"; //$NON-NLS-1$ - - /* - * Creates an executable extension. @param element the config element - * defining the extension @param classAttribute the name of the attribute - * carrying the class @return the extension object @throws CoreException - */ - static Object createExecutableExtension(final IConfigurationElement element, final String classAttribute) throws CoreException { - return element.createExecutableExtension(classAttribute); - } - - /** - * Creates an extension. If the extension plugin has not been loaded a - * busy cursor will be activated during the duration of the load. - * - * @param element - * the config element defining the extension - * @param classAttribute - * the name of the attribute carrying the class - * @return the extension object - * @throws CoreException - */ - public static Object createExtension(final IConfigurationElement element, final String classAttribute) { - // If plugin has been loaded create extension. - // Otherwise, show busy cursor then create extension. - final Object[] result = new Object[1]; - String pluginId = element.getDeclaringExtension().getNamespace(); - Bundle bundle = Platform.getBundle(pluginId); - if (bundle.getState() == Bundle.ACTIVE) { - try { - result[0] = createExecutableExtension(element, classAttribute); - } - catch (Exception e) { - handleCreateExecutableException(result, e); - } - } - else { - BusyIndicator.showWhile(null, new Runnable() { - public void run() { - try { - result[0] = createExecutableExtension(element, classAttribute); - } - catch (CoreException e) { - handleCreateExecutableException(result, e); - } - } - }); - - } - return result[0]; - } - - /** - * returns singleton instance of BreakpointProviderBuilder - * - * @return BreakpointProviderBuilder - */ - public synchronized static BreakpointProviderBuilder getInstance() { - if (instance == null) { - instance = new BreakpointProviderBuilder(); - } - return instance; - } - - /** - * @param result - * @param e - */ - private static void handleCreateExecutableException(Object[] result, Throwable e) { - Logger.logException(e); - result[0] = null; - - } - - protected List cache; - private Map map = new HashMap(); - - protected String targetContributionTag; - - /* - * Constructor - */ - private BreakpointProviderBuilder() { - super(); - } - - /* - * Creates a breakpoint provider object to given element @param element - * configuration element object @return IBreakpointProvider - */ - protected IBreakpointProvider createBreakpointProvider(IConfigurationElement element) { - Object obj = createExtension(element, ATT_CLASS); - if (obj == null) - return null; - return (obj instanceof IBreakpointProvider) ? (IBreakpointProvider) obj : null; - } - - /* - * Creates an array of breakpoint providers matching the given key to the - * value of the IConfigurationElement attribute "attrName" @return - * IBreakpointProvider[] - */ - protected IBreakpointProvider[] createBreakpointProviders(String attrName, String key) { - if (cache == null) - return new IBreakpointProvider[0]; - - final int num = cache.size(); - if (num == 0) - return new IBreakpointProvider[0]; - - IBreakpointProvider[] bp = new IBreakpointProvider[num]; - int j = 0; - for (int i = 0; i < num; i++) { - Object obj = cache.get(i); - if (!(obj instanceof IConfigurationElement)) - continue; - - IConfigurationElement element = (IConfigurationElement) obj; - if (!TAG_PROVIDER.equals(element.getName())) - continue; - - boolean doCreate = false; - - String attrValues = element.getAttribute(attrName); - - if (attrValues != null) { - StringTokenizer tokenizer = new StringTokenizer(attrValues, ","); //$NON-NLS-1$ - while (tokenizer.hasMoreTokens()) { - String type = tokenizer.nextToken(); - if (type.trim().equalsIgnoreCase(key.trim())) { - doCreate = true; - break; - } - } - } - - if (doCreate) { - IBreakpointProvider b = createBreakpointProvider(element); - if (b != null) { - bp[j] = b; - j++; - } - } - } - - IBreakpointProvider[] bp2 = new IBreakpointProvider[j]; - for (int i = 0; i < j; i++) { - bp2[i] = bp[i]; - } - - return bp2; - } - - /* - * Returns a matching array of extension points matching this key. Doesn't - * cause instantiation of providers. @return IBreakpointProvider[] - */ - protected IConfigurationElement[] findElements(String key) { - initCache(); - - if (cache == null || cache.size() == 0) - return new IConfigurationElement[0]; - - int num = cache.size(); - List elements = new ArrayList(1); - for (int i = 0; i < num; i++) { - Object obj = cache.get(i); - if (!(obj instanceof IConfigurationElement)) - continue; - - IConfigurationElement element = (IConfigurationElement) obj; - if (!TAG_PROVIDER.equals(element.getName())) - continue; - - boolean add = false; - String types = element.getAttribute(ATT_CONTENT_TYPES); - String exts = element.getAttribute(ATT_EXTENSIONS); - - if (types == null && exts == null) { - add = true; - } - - if (!add && types != null && types.length() > 0) { - IContentType testType = Platform.getContentTypeManager().getContentType(key); - StringTokenizer tokenizer = new StringTokenizer(types, ","); //$NON-NLS-1$ - while (tokenizer.hasMoreTokens()) { - String type = tokenizer.nextToken(); - IContentType contentType = Platform.getContentTypeManager().getContentType(type); - if (contentType != null && testType != null && contentType.isKindOf(testType)) { - add = true; - break; - } - } - } - - if (!add && exts != null) { - StringTokenizer tokenizer = new StringTokenizer(exts, ","); //$NON-NLS-1$ - while (tokenizer.hasMoreTokens()) { - String ext = tokenizer.nextToken(); - if (ext.trim().equals(key.trim())) { - add = true; - break; - } - } - } - - if (add) { - elements.add(element); - } - } - return (IConfigurationElement[]) elements.toArray(new IConfigurationElement[0]); - } - - /** - * Returns an array of breakpoint providers for a specified content type - * handler - * - * @param handler - * a content type handler - * @param ext - * file extension - * @return IBreakpointProvider[] - */ - public IBreakpointProvider[] getBreakpointProviders(IEditorPart editorpart, String contentTypeID, String ext) { - initCache(); - - // Get breakpoint providers for this content type handler - IBreakpointProvider[] providers1 = new IBreakpointProvider[0]; - IContentType contentType = Platform.getContentTypeManager().getContentType(contentTypeID); - List holdProviders = new ArrayList(2); - while (contentType != null) { - IBreakpointProvider[] providers = (IBreakpointProvider[]) map.get(contentType.getId()); - if (providers == null) { - providers = createBreakpointProviders(ATT_CONTENT_TYPES, contentType.getId()); - if (providers != null) { - map.put(contentType.getId(), providers); - } - } - // providers were retrieved from cache or newly created - if(providers != null) { - holdProviders.addAll(Arrays.asList(providers)); - } - contentType = contentType.getBaseType(); - } - providers1 = (IBreakpointProvider[]) holdProviders.toArray(new IBreakpointProvider[holdProviders.size()]); - - // Get breakpoint providers for this extension - IBreakpointProvider[] providers2 = new IBreakpointProvider[0]; - if (ext != null) { - providers2 = (IBreakpointProvider[]) map.get(ext); - if (providers2 == null) { - providers2 = createBreakpointProviders(ATT_EXTENSIONS, ext); - if (providers2 != null) { - map.put(ext, providers2); - } - } - } - - // create single hash set to remove duplication - Set s = new HashSet(); - s.addAll(Arrays.asList(providers1)); - s.addAll(Arrays.asList(providers2)); - - // create IBreakpointProvider[] to return - IBreakpointProvider[] providers = new IBreakpointProvider[s.size()]; - Iterator itr = s.iterator(); - int i = 0; - ISourceEditingTextTools tools = null; - if (editorpart != null && itr.hasNext()) - tools = (ISourceEditingTextTools) editorpart.getAdapter(ISourceEditingTextTools.class); - while (itr.hasNext()) { - providers[i] = (IBreakpointProvider) itr.next(); - providers[i].setSourceEditingTextTools(tools); - i++; - } - return providers; - } - - /** - * Returns corresponding resource from given parameters - * - * @param input - * @param handler - * @param ext - * @return IResource - */ - public IResource getResource(IEditorInput input, String contentType, String ext) { - IBreakpointProvider[] providers = getBreakpointProviders(null, contentType, ext); - IResource res = null; - for (int i = 0; i < providers.length; i++) { - res = providers[i].getResource(input); - if (res != null) { - break; - } - } - return res; - } - - private void initCache() { - if (cache == null) { - cache = new ArrayList(); - readContributions(TAG_BREAKPOINT_CONTRIBUTION, PL_BREAKPOINT); - } - } - - /** - * Returns an array of breakpoint providers for a specified content type - * handler - * - * @param handler - * a content type handler - * @param ext - * file extension - * @return boolean - */ - public boolean isAvailable(String contentType, String ext) { - boolean available = findElements(ext).length > 0; - if (!available && contentType != null) - available = findElements(contentType).length > 0; - return available; - } - - /** - * Reads the contributions from the registry for the provided workbench - * part and the provided extension point ID. - * - * @param tag - * @param extensionPoint - */ - protected void readContributions(String tag, String extensionPoint) { - targetContributionTag = tag; - IExtensionRegistry registry = Platform.getExtensionRegistry(); - readRegistry(registry, PLUGIN_ID, extensionPoint); - } - - protected boolean readElement(IConfigurationElement element) { - String tag = element.getName(); - if (tag.equals(targetContributionTag)) { - readElementChildren(element); - return true; - } - else if (tag.equals(TAG_PROVIDER)) { - cache.add(element); - return true; // just cache the element - don't go into it - } - return false; - } -} |