diff options
Diffstat (limited to 'src/main/java/net/sf/antcontrib/cpptasks/compiler/CaptureStreamHandler.java')
-rw-r--r-- | src/main/java/net/sf/antcontrib/cpptasks/compiler/CaptureStreamHandler.java | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/main/java/net/sf/antcontrib/cpptasks/compiler/CaptureStreamHandler.java b/src/main/java/net/sf/antcontrib/cpptasks/compiler/CaptureStreamHandler.java new file mode 100644 index 0000000..83c59f7 --- /dev/null +++ b/src/main/java/net/sf/antcontrib/cpptasks/compiler/CaptureStreamHandler.java @@ -0,0 +1,122 @@ +/* + * + * Copyright 2001-2004 The Ant-Contrib project + * + * 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 net.sf.antcontrib.cpptasks.compiler; +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.OutputStream; +import java.util.Vector; + +import org.apache.tools.ant.taskdefs.Execute; +import org.apache.tools.ant.taskdefs.ExecuteStreamHandler; +/** + * Implements ExecuteStreamHandler to capture the output of a Execute to an + * array of strings + * + * @author Curt Arnold + */ +public class CaptureStreamHandler implements ExecuteStreamHandler { + /** + * Runs an executable and captures the output in a String array + * + * @param cmdline + * command line arguments + * @return output of process + */ + public static String[] run(String[] cmdline) { + CaptureStreamHandler handler = new CaptureStreamHandler(); + Execute exec = new Execute(handler); + exec.setCommandline(cmdline); + try { + int status = exec.execute(); + } catch (IOException ex) { + } + return handler.getOutput(); + } + private InputStream errorStream; + private InputStream fromProcess; + public CaptureStreamHandler() { + } + public String[] getOutput() { + String[] output; + if (fromProcess != null) { + Vector lines = new Vector(10); + try { + BufferedReader reader = new BufferedReader( + new InputStreamReader(errorStream)); + for (int i = 0; i < 2; i++) { + for (int j = 0; j < 100; j++) { + String line = reader.readLine(); + if (line == null) { + reader = new BufferedReader(new InputStreamReader( + fromProcess)); + break; + } + lines.addElement(line); + } + } + } catch (IOException ex) { + } + output = new String[lines.size()]; + lines.copyInto(output); + return output; + } + output = new String[0]; + return output; + } + /** + * Install a handler for the error stream of the subprocess. + * + * @param is + * input stream to read from the error stream from the + * subprocess + */ + public void setProcessErrorStream(InputStream is) throws IOException { + errorStream = is; + } + /** + * Install a handler for the input stream of the subprocess. + * + * @param os + * output stream to write to the standard input stream of the + * subprocess + */ + public void setProcessInputStream(OutputStream os) throws IOException { + os.close(); + } + /** + * Install a handler for the output stream of the subprocess. + * + * @param is + * input stream to read from the error stream from the + * subprocess + */ + public void setProcessOutputStream(InputStream is) throws IOException { + fromProcess = is; + } + /** + * Start handling of the streams. + */ + public void start() throws IOException { + } + /** + * Stop handling of the streams - will not be restarted. + */ + public void stop() { + } +} |