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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.tools.ant.taskdefs.email;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.io.Reader;
import org.apache.tools.ant.ProjectComponent;
/**
* Class representing an email message.
*
* @since Ant 1.5
*/
public class Message extends ProjectComponent {
private File messageSource = null;
private StringBuffer buffer = new StringBuffer();
private String mimeType = "text/plain";
private boolean specified = false;
private String charset = null;
private String inputEncoding;
/** Creates a new empty message */
public Message() {
}
/**
* Creates a new message based on the given string
*
* @param text the message
*/
public Message(String text) {
addText(text);
}
/**
* Creates a new message using the contents of the given file.
*
* @param file the source of the message
*/
public Message(File file) {
messageSource = file;
}
/**
* Adds a textual part of the message
*
* @param text some text to add
*/
public void addText(String text) {
buffer.append(text);
}
/**
* Sets the source file of the message
*
* @param src the source of the message
*/
public void setSrc(File src) {
this.messageSource = src;
}
/**
* Sets the content type for the message
*
* @param mimeType a mime type e.g. "text/plain"
*/
public void setMimeType(String mimeType) {
this.mimeType = mimeType;
specified = true;
}
/**
* Returns the content type
*
* @return the mime type
*/
public String getMimeType() {
return mimeType;
}
/**
* Prints the message onto an output stream
*
* @param ps The print stream to write to
* @throws IOException if an error occurs
*/
public void print(PrintStream ps)
throws IOException {
// We need character encoding aware printing here.
// So, using BufferedWriter over OutputStreamWriter instead of PrintStream
BufferedWriter out = null;
try {
out
= charset != null ? new BufferedWriter(new OutputStreamWriter(ps, charset))
: new BufferedWriter(new OutputStreamWriter(ps));
if (messageSource != null) {
// Read message from a file
Reader freader = getReader(messageSource);
try {
BufferedReader in = new BufferedReader(freader);
String line = null;
while ((line = in.readLine()) != null) {
out.write(getProject().replaceProperties(line));
out.newLine();
}
} finally {
freader.close();
}
} else {
out.write(getProject().replaceProperties(buffer.substring(0)));
out.newLine();
}
out.flush();
} finally {
//do not close the out writer as it is reused afterwards by the mail task
}
}
/**
* Returns true if the mimeType has been set.
*
* @return false if the default value is in use
*/
public boolean isMimeTypeSpecified() {
return specified;
}
/**
* Sets the character set of mail message.
* Will be ignored if mimeType contains ....; Charset=... substring.
* @param charset the character set name.
* @since Ant 1.6
*/
public void setCharset(String charset) {
this.charset = charset;
}
/**
* Returns the charset of mail message.
*
* @return Charset of mail message.
* @since Ant 1.6
*/
public String getCharset() {
return charset;
}
/**
* Sets the encoding to expect when reading the message from a file.
* <p>Will be ignored if the message has been specified inline.</p>
* @param encoding the name of the charset used
* @since Ant 1.9.4
*/
public void setInputEncoding(String encoding) {
this.inputEncoding = encoding;
}
private Reader getReader(File f) throws IOException {
if (inputEncoding != null) {
FileInputStream fis = new FileInputStream(f);
try {
return new InputStreamReader(fis, inputEncoding);
} catch (IOException ex) {
fis.close();
throw ex;
}
}
return new FileReader(f);
}
}
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