| /******************************************************************************* |
| * Copyright (c) 2009, 2015 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 org.jacoco.report; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipOutputStream; |
| |
| /** |
| * Implementation of {@link IMultiReportOutput} that writes files into a |
| * {@link ZipOutputStream}. |
| */ |
| public class ZipMultiReportOutput implements IMultiReportOutput { |
| |
| private final ZipOutputStream zip; |
| |
| private OutputStream currentEntry; |
| |
| /** |
| * Creates a new instance based on the given {@link ZipOutputStream}. |
| * |
| * @param zip |
| * stream to write file entries to |
| */ |
| public ZipMultiReportOutput(final ZipOutputStream zip) { |
| this.zip = zip; |
| } |
| |
| /** |
| * Creates a new instance based on the given {@link OutputStream}. |
| * |
| * @param out |
| * stream to write file entries to |
| */ |
| public ZipMultiReportOutput(final OutputStream out) { |
| this(new ZipOutputStream(out)); |
| } |
| |
| public OutputStream createFile(final String path) throws IOException { |
| if (currentEntry != null) { |
| currentEntry.close(); |
| } |
| final ZipEntry entry = new ZipEntry(path); |
| zip.putNextEntry(entry); |
| currentEntry = new EntryOutput(); |
| return currentEntry; |
| } |
| |
| public void close() throws IOException { |
| zip.close(); |
| } |
| |
| private final class EntryOutput extends OutputStream { |
| |
| private boolean closed = false; |
| |
| @Override |
| public void write(final byte[] b, final int off, final int len) |
| throws IOException { |
| ensureNotClosed(); |
| zip.write(b, off, len); |
| } |
| |
| @Override |
| public void write(final byte[] b) throws IOException { |
| ensureNotClosed(); |
| zip.write(b); |
| } |
| |
| @Override |
| public void write(final int b) throws IOException { |
| ensureNotClosed(); |
| zip.write(b); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| ensureNotClosed(); |
| zip.flush(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (!closed) { |
| closed = true; |
| zip.closeEntry(); |
| } |
| } |
| |
| private void ensureNotClosed() throws IOException { |
| if (closed) { |
| throw new IOException("Zip entry already closed."); |
| } |
| } |
| |
| } |
| |
| } |