/**
* Executes the command utilizing the P4API. This method will be used only if the supporting Java
* Native Interface library could be loaded.
*/
private synchronized void native_exec(String[] cmd) throws IOException {
jni_proc = new P4JNI();
// P4JNI tmp = new P4JNI();
jni_proc.runCommand(jni_proc, cmd, environ);
in = jni_proc.getReader();
err = in;
out = jni_proc.getWriter();
}
/** Returns the next line from the process, or null if the command has completed its execution. */
public synchronized String readLine() {
if (using_native && null != jni_proc && jni_proc.isPiped()) {
return native_readLine();
} else {
return pure_readLine();
}
}
/**
* Waits for the process to exit and closes out the process. This method should be called after
* the {@link #exec(java.lang.String[]) exec} method in order to close things down properly.
*
* @param out The stream to which any errors should be sent.
* @return The exit value of the underlying process.
*/
public synchronized int close(PrintStream out) throws IOException {
if (using_native && null != jni_proc && jni_proc.isPiped()) {
native_close(out);
} else {
pure_close(out);
}
/*
* if (0 != exit_code) { throw new IOException("P4Process ERROR: p4 sync
* exited with error ("+ exit_code+")"); }
*/
if (null != P4_ERROR) {
throw new IOException(P4_ERROR);
}
return exit_code;
}
/**
* Executes a p4 command. This uses the class environment information to execute the p4 command
* specified in the String array. This array contains all the command line arguments that will be
* specified for execution, including "p4" in the first position.
*
* @param cmd Array of command line arguments ("p4" must be first).
*/
public synchronized void exec(String[] cmd) throws IOException {
String[] pre_cmds = new String[12];
int i = 0;
pre_cmds[i++] = cmd[0];
pre_cmds[i++] = "-s"; // Forces all commands to use stdout for message
// reporting, no longer read stderr
if (!getEnv().getPort().trim().equals("")) {
pre_cmds[i++] = "-p";
pre_cmds[i++] = getEnv().getPort();
}
if (!getEnv().getUser().trim().equals("")) {
pre_cmds[i++] = "-u";
pre_cmds[i++] = getEnv().getUser();
}
if (!getEnv().getClient().trim().equals("")) {
pre_cmds[i++] = "-c";
pre_cmds[i++] = getEnv().getClient();
}
if (!getEnv().getPassword().trim().equals("")) {
pre_cmds[i++] = "-P";
pre_cmds[i++] = getEnv().getPassword();
}
if (cmd[1].equals("-x")) {
pre_cmds[i++] = "-x";
pre_cmds[i++] = cmd[2];
}
new_cmd = new String[(i + cmd.length) - 1];
for (int j = 0; j < (i + cmd.length) - 1; j++) {
if (j < i) {
new_cmd[j] = pre_cmds[j];
} else {
new_cmd[j] = cmd[(j - i) + 1];
}
}
Debug.verbose("P4Process.exec: ", new_cmd);
if (P4JNI.isValid()) {
native_exec(new_cmd);
using_native = true;
} else {
pure_exec(new_cmd);
using_native = false;
}
}