/*******************************************************************************
* Copyright (c) 2006, 2014 Mountainminds GmbH & Co. KG and Contributors
* 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:
* Marc R. Hoffmann - initial API and implementation
*
******************************************************************************/
package com.mountainminds.eclemma.internal.core;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.jacoco.core.data.ExecutionDataWriter;
import com.mountainminds.eclemma.core.EclEmmaStatus;
import com.mountainminds.eclemma.core.IExecutionDataSource;
import com.mountainminds.eclemma.core.URLExecutionDataSource;
/**
* Internal utility to create and cleanup execution data files manage files in
* the plugin's state location.
*/
public final class ExecutionDataFiles {
private static final String FOLDER = ".execdata/"; //$NON-NLS-1$
private final File folder;
public ExecutionDataFiles(IPath stateLocation) {
folder = stateLocation.append(FOLDER).toFile();
folder.mkdirs();
}
/**
* Delete any existing execution data file.
*/
public void deleteTemporaryFiles() {
final File[] files = folder.listFiles();
for (final File file : files) {
file.delete();
}
}
/**
* Creates a new execution data file containing the content of the given
* source.
*
* @param source
* source to dump into the file
* @return created file
*/
public IExecutionDataSource newFile(IExecutionDataSource source)
throws CoreException {
try {
final File file = File.createTempFile("session", ".exec", folder); //$NON-NLS-1$ //$NON-NLS-2$
final OutputStream out = new BufferedOutputStream(new FileOutputStream(
file));
final ExecutionDataWriter writer = new ExecutionDataWriter(out);
source.accept(writer, writer);
out.close();
return new URLExecutionDataSource(file.toURL());
} catch (IOException e) {
throw new CoreException(EclEmmaStatus.EXEC_FILE_CREATE_ERROR.getStatus(e));
}
}
}