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/*******************************************************************************
* Copyright (c) 2000, 2004 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.utils;
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.core.IBinaryParser.IBinaryFile;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.PlatformObject;
/**
*
*/
public abstract class BinaryFile extends PlatformObject implements IBinaryFile {
private final IPath path;
private final IBinaryParser parser;
private final int type;
private long timestamp;
public BinaryFile(IBinaryParser parser, IPath path, int type) {
this.path = path;
this.parser = parser;
this.type = type;
}
public final IBinaryParser getBinaryParser() {
return parser;
}
/**
* @see org.eclipse.cdt.core.model.IBinaryParser.IBinaryFile#getFile()
*/
public final IPath getPath() {
return path;
}
/**
* @see org.eclipse.cdt.core.model.IBinaryParser.IBinaryFile#getType()
*/
public final int getType() {
return type;
}
/**
* @throws IOException
* @see org.eclipse.cdt.core.model.IBinaryParser.IBinaryFile#getContents()
*/
public InputStream getContents() throws IOException {
InputStream stream = null;
if (path != null) {
stream = new FileInputStream(path.toFile());
}
if (stream == null) {
stream = new ByteArrayInputStream(new byte[0]);
}
return stream;
}
protected boolean hasChanged() {
long modification = getPath().toFile().lastModified();
boolean changed = modification != timestamp;
if (changed) {
timestamp = modification;
}
return changed;
}
}
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