- /*
- * Copyright 2003-2004 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
- package org.apache.tools.ant.taskdefs.optional.perforce;
-
- import java.io.OutputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.IOException;
-
- /**
- * heavily inspired from LogOutputStream
- * this stream class calls back the P4Handler on each line of stdout or stderr read
- */
- public class P4OutputStream extends OutputStream {
- private P4Handler handler;
- private ByteArrayOutputStream buffer = new ByteArrayOutputStream();
- private boolean skip = false;
-
- /**
- * creates a new P4OutputStream for a P4Handler
- * @param handler the handler which will process the streams
- */
- public P4OutputStream(P4Handler handler) {
- this.handler = handler;
- }
-
- /**
- * Write the data to the buffer and flush the buffer, if a line
- * separator is detected.
- *
- * @param cc data to log (byte).
- * @throws IOException IOException if an I/O error occurs. In particular,
- * an <code>IOException</code> may be thrown if the
- * output stream has been closed.
- */
- public void write(int cc) throws IOException {
- final byte c = (byte) cc;
- if ((c == '\n') || (c == '\r')) {
- if (!skip) {
- processBuffer();
- }
- } else {
- buffer.write(cc);
- }
- skip = (c == '\r');
- }
-
-
- /**
- * Converts the buffer to a string and sends it to <code>processLine</code>
- */
- protected void processBuffer() {
- handler.process(buffer.toString());
- buffer.reset();
- }
-
- /**
- * Writes all remaining
- * @throws IOException if an I/O error occurs.
- */
- public void close() throws IOException {
- if (buffer.size() > 0) {
- processBuffer();
- }
- super.close();
- }
-
- }
-
-