summaryrefslogtreecommitdiffstats
path: root/src/main/java/net/sf/antcontrib/cpptasks/compiler/CaptureStreamHandler.java
diff options
context:
space:
mode:
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.java122
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() {
+ }
+}