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/*******************************************************************************
* Copyright (c) 2000, 2006 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
*******************************************************************************/
package org.eclipse.pde.internal.core.search;
import java.util.ArrayList;
import java.util.regex.Pattern;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.pde.core.plugin.IFragment;
import org.eclipse.pde.core.plugin.IPlugin;
import org.eclipse.pde.core.plugin.IPluginBase;
import org.eclipse.pde.core.plugin.IPluginExtension;
import org.eclipse.pde.core.plugin.IPluginExtensionPoint;
import org.eclipse.pde.core.plugin.IPluginImport;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.eclipse.pde.core.plugin.IPluginObject;
import org.eclipse.pde.internal.core.util.PatternConstructor;
public class PluginSearchOperation {
protected PluginSearchInput fInput;
private IPluginSearchResultCollector fCollector;
private Pattern fPattern;
public PluginSearchOperation(
PluginSearchInput input,
IPluginSearchResultCollector collector) {
this.fInput = input;
this.fCollector = collector;
collector.setOperation(this);
this.fPattern = PatternConstructor.createPattern(
input.getSearchString(), input.isCaseSensitive());
}
public void execute(IProgressMonitor monitor) {
IPluginModelBase[] entries = fInput.getSearchScope().getMatchingModels();
fCollector.searchStarted();
fCollector.setProgressMonitor(monitor);
monitor.beginTask("", entries.length); //$NON-NLS-1$
try {
for (int i = 0; i < entries.length; i++) {
IPluginModelBase candidate = entries[i];
visit(candidate);
monitor.worked(1);
}
} finally {
monitor.done();
fCollector.done();
}
}
private void visit(IPluginModelBase model) {
ArrayList matches = findMatch(model);
for (int i = 0; i < matches.size(); i++) {
fCollector.accept((IPluginObject)matches.get(i));
}
}
private ArrayList findMatch(IPluginModelBase model) {
ArrayList result = new ArrayList();
int searchLimit = fInput.getSearchLimit();
switch (fInput.getSearchElement()) {
case PluginSearchInput.ELEMENT_PLUGIN :
if (searchLimit != PluginSearchInput.LIMIT_REFERENCES)
findPluginDeclaration(model, result);
if (searchLimit != PluginSearchInput.LIMIT_DECLARATIONS)
findPluginReferences(model, result);
break;
case PluginSearchInput.ELEMENT_FRAGMENT :
findFragmentDeclaration(model, result);
break;
case PluginSearchInput.ELEMENT_EXTENSION_POINT :
if (searchLimit != PluginSearchInput.LIMIT_REFERENCES)
findExtensionPointDeclarations(model, result);
if (searchLimit != PluginSearchInput.LIMIT_DECLARATIONS)
findExtensionPointReferences(model, result);
break;
}
return result;
}
private void findFragmentDeclaration(
IPluginModelBase model,
ArrayList result) {
IPluginBase pluginBase = model.getPluginBase();
if (pluginBase instanceof IFragment
&& fPattern.matcher(pluginBase.getId()).matches()) {
result.add(pluginBase); }
}
private void findPluginDeclaration(IPluginModelBase model, ArrayList result) {
IPluginBase pluginBase = model.getPluginBase();
if (pluginBase instanceof IPlugin
&& fPattern.matcher(pluginBase.getId()).matches())
result.add(pluginBase);
}
private void findPluginReferences(
IPluginModelBase model,
ArrayList result) {
IPluginBase pluginBase = model.getPluginBase();
if (pluginBase instanceof IFragment) {
if (fPattern.matcher(((IFragment) pluginBase).getPluginId())
.matches())
result.add(pluginBase);
}
IPluginImport[] imports = pluginBase.getImports();
for (int i = 0; i < imports.length; i++) {
if (fPattern.matcher(imports[i].getId()).matches())
result.add(imports[i]);
}
}
private void findExtensionPointDeclarations(
IPluginModelBase model,
ArrayList result) {
IPluginExtensionPoint[] extensionPoints =
model.getPluginBase().getExtensionPoints();
for (int i = 0; i < extensionPoints.length; i++) {
if (fPattern.matcher(extensionPoints[i].getFullId()).matches())
result.add(extensionPoints[i]);
}
}
private void findExtensionPointReferences(IPluginModelBase model, ArrayList result) {
IPluginExtension[] extensions = model.getPluginBase().getExtensions();
for (int i = 0; i < extensions.length; i++) {
if (fPattern.matcher(extensions[i].getPoint()).matches())
result.add(extensions[i]);
}
}
}
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