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/*******************************************************************************
* Copyright (c) 2003, 2008 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.debug.core.sourcelookup.containers;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.sourcelookup.ISourceContainer;
import org.eclipse.debug.core.sourcelookup.ISourceContainerType;
/**
* A directory in the local file system. Source elements returned
* from <code>findSourceElements(...)</code> are instances
* of <code>LocalFileStorage</code>.
* <p>
* Clients may instantiate this class.
* </p>
* @since 3.0
* @noextend This class is not intended to be subclassed by clients.
*/
public class DirectorySourceContainer extends CompositeSourceContainer {
// root directory
private File fDirectory;
// whether to search sub-folders
private boolean fSubfolders = false;
/**
* Unique identifier for the directory source container type
* (value <code>org.eclipse.debug.core.containerType.directory</code>).
*/
public static final String TYPE_ID = DebugPlugin.getUniqueIdentifier() + ".containerType.directory"; //$NON-NLS-1$
/**
* Constructs an external folder container for the
* directory identified by the given path.
*
* @param dirPath path to a directory in the local file system
* @param subfolders whether folders within the root directory
* should be searched for source elements
*/
public DirectorySourceContainer(IPath dirPath, boolean subfolders) {
this(dirPath.toFile(), subfolders);
}
/**
* Constructs an external folder container for the
* directory identified by the given file.
*
* @param dir a directory in the local file system
* @param subfolders whether folders within the root directory
* should be searched for source elements
*/
public DirectorySourceContainer(File dir, boolean subfolders) {
fDirectory = dir;
fSubfolders = subfolders;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#getName()
*/
public String getName() {
return fDirectory.getName();
}
/**
* Returns the root directory in the local file system associated
* with this source container.
*
* @return the root directory in the local file system associated
* with this source container
*/
public File getDirectory() {
return fDirectory;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#getType()
*/
public ISourceContainerType getType() {
return getSourceContainerType(TYPE_ID);
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#findSourceElements(java.lang.String)
*/
public Object[] findSourceElements(String name) throws CoreException {
ArrayList sources = new ArrayList();
File directory = getDirectory();
File file = new File(directory, name);
if (file.exists() && file.isFile()) {
sources.add(new LocalFileStorage(file));
}
//check sub-folders
if ((isFindDuplicates() && fSubfolders) || (sources.isEmpty() && fSubfolders)) {
ISourceContainer[] containers = getSourceContainers();
for (int i=0; i < containers.length; i++) {
Object[] objects = containers[i].findSourceElements(name);
if (objects == null || objects.length == 0) {
continue;
}
if (isFindDuplicates()) {
for(int j=0; j < objects.length; j++)
sources.add(objects[j]);
} else {
sources.add(objects[0]);
break;
}
}
}
if(sources.isEmpty())
return EMPTY;
return sources.toArray();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.ISourceContainer#isComposite()
*/
public boolean isComposite() {
return fSubfolders;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
if (obj instanceof DirectorySourceContainer) {
DirectorySourceContainer container = (DirectorySourceContainer) obj;
return container.getDirectory().equals(getDirectory());
}
return false;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return getDirectory().hashCode();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.sourcelookup.containers.CompositeSourceContainer#createSourceContainers()
*/
protected ISourceContainer[] createSourceContainers() throws CoreException {
if (isComposite()) {
String[] files = fDirectory.list();
if (files != null) {
List dirs = new ArrayList();
for (int i = 0; i < files.length; i++) {
String name = files[i];
File file = new File(getDirectory(), name);
if (file.exists() && file.isDirectory()) {
dirs.add(new DirectorySourceContainer(file, true));
}
}
ISourceContainer[] containers = (ISourceContainer[]) dirs.toArray(new ISourceContainer[dirs.size()]);
for (int i = 0; i < containers.length; i++) {
ISourceContainer container = containers[i];
container.init(getDirector());
}
return containers;
}
}
return new ISourceContainer[0];
}
}
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