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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.catalina.ant;
import java.io.BufferedOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import org.apache.catalina.util.Base64;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
/**
* Abstract base class for Ant tasks that interact with the
* Manager web application for dynamically deploying and
* undeploying applications. These tasks require Ant 1.4 or later.
*
* @author Craig R. McClanahan
* @version $Id: AbstractCatalinaTask.java 946604 2010-05-20 12:07:38Z markt $
* @since 4.1
*/
public abstract class AbstractCatalinaTask extends BaseRedirectorHelperTask {
// ----------------------------------------------------- Instance Variables
/**
* manager webapp's encoding.
*/
private static String CHARSET = "utf-8";
// ------------------------------------------------------------- Properties
/**
* The charset used during URL encoding.
*/
protected String charset = "ISO-8859-1";
public String getCharset() {
return (this.charset);
}
public void setCharset(String charset) {
this.charset = charset;
}
/**
* The login password for the Manager application.
*/
protected String password = null;
public String getPassword() {
return (this.password);
}
public void setPassword(String password) {
this.password = password;
}
/**
* The URL of the Manager application to be used.
*/
protected String url = "http://localhost:8080/manager";
public String getUrl() {
return (this.url);
}
public void setUrl(String url) {
this.url = url;
}
/**
* The login username for the Manager application.
*/
protected String username = null;
public String getUsername() {
return (this.username);
}
public void setUsername(String username) {
this.username = username;
}
// --------------------------------------------------------- Public Methods
/**
* Execute the specified command. This logic only performs the common
* attribute validation required by all subclasses; it does not perform
* any functional logic directly.
*
* @exception BuildException if a validation error occurs
*/
@Override
public void execute() throws BuildException {
if ((username == null) || (password == null) || (url == null)) {
throw new BuildException
("Must specify all of 'username', 'password', and 'url'");
}
}
// ------------------------------------------------------ Protected Methods
/**
* Execute the specified command, based on the configured properties.
*
* @param command Command to be executed
*
* @exception BuildException if an error occurs
*/
public void execute(String command) throws BuildException {
execute(command, null, null, -1);
}
/**
* Execute the specified command, based on the configured properties.
* The input stream will be closed upon completion of this task, whether
* it was executed successfully or not.
*
* @param command Command to be executed
* @param istream InputStream to include in an HTTP PUT, if any
* @param contentType Content type to specify for the input, if any
* @param contentLength Content length to specify for the input, if any
*
* @exception BuildException if an error occurs
*/
public void execute(String command, InputStream istream,
String contentType, int contentLength)
throws BuildException {
URLConnection conn = null;
InputStreamReader reader = null;
try {
// Create a connection for this command
conn = (new URL(url + command)).openConnection();
HttpURLConnection hconn = (HttpURLConnection) conn;
// Set up standard connection characteristics
hconn.setAllowUserInteraction(false);
hconn.setDoInput(true);
hconn.setUseCaches(false);
if (istream != null) {
hconn.setDoOutput(true);
hconn.setRequestMethod("PUT");
if (contentType != null) {
hconn.setRequestProperty("Content-Type", contentType);
}
if (contentLength >= 0) {
hconn.setRequestProperty("Content-Length",
"" + contentLength);
hconn.setFixedLengthStreamingMode(contentLength);
}
} else {
hconn.setDoOutput(false);
hconn.setRequestMethod("GET");
}
hconn.setRequestProperty("User-Agent",
"Catalina-Ant-Task/1.0");
// Set up an authorization header with our credentials
String input = username + ":" + password;
String output = Base64.encode(input.getBytes());
hconn.setRequestProperty("Authorization",
"Basic " + output);
// Establish the connection with the server
hconn.connect();
// Send the request data (if any)
if (istream != null) {
BufferedOutputStream ostream =
new BufferedOutputStream(hconn.getOutputStream(), 1024);
byte buffer[] = new byte[1024];
while (true) {
int n = istream.read(buffer);
if (n < 0) {
break;
}
ostream.write(buffer, 0, n);
}
ostream.flush();
ostream.close();
istream.close();
}
// Process the response message
reader = new InputStreamReader(hconn.getInputStream(), CHARSET);
StringBuilder buff = new StringBuilder();
String error = null;
int msgPriority = Project.MSG_INFO;
boolean first = true;
while (true) {
int ch = reader.read();
if (ch < 0) {
break;
} else if ((ch == '\r') || (ch == '\n')) {
// in Win \r\n would cause handleOutput() to be called
// twice, the second time with an empty string,
// producing blank lines
if (buff.length() > 0) {
String line = buff.toString();
buff.setLength(0);
if (first) {
if (!line.startsWith("OK -")) {
error = line;
msgPriority = Project.MSG_ERR;
}
first = false;
}
handleOutput(line, msgPriority);
}
} else {
buff.append((char) ch);
}
}
if (buff.length() > 0) {
handleOutput(buff.toString(), msgPriority);
}
if (error != null && isFailOnError()) {
// exception should be thrown only if failOnError == true
// or error line will be logged twice
throw new BuildException(error);
}
} catch (Throwable t) {
if (isFailOnError()) {
throw new BuildException(t);
} else {
handleErrorOutput(t.getMessage());
}
} finally {
closeRedirector();
if (reader != null) {
try {
reader.close();
} catch (Throwable u) {
ExceptionUtils.handleThrowable(u);
}
reader = null;
}
if (istream != null) {
try {
istream.close();
} catch (Throwable u) {
ExceptionUtils.handleThrowable(u);
}
istream = null;
}
}
}
}
