/* | |
* 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.axis2.transport.http.util; | |
import org.apache.commons.httpclient.methods.multipart.PartBase; | |
import org.apache.commons.httpclient.util.EncodingUtil; | |
import java.io.IOException; | |
import java.io.OutputStream; | |
public class ComplexPart extends PartBase { | |
/** | |
* Default content encoding of string parameters. | |
*/ | |
public static final String DEFAULT_CONTENT_TYPE = "application/xml"; | |
/** | |
* Default charset of string parameters | |
*/ | |
public static final String DEFAULT_CHARSET = "US-ASCII"; | |
/** | |
* Default transfer encoding of string parameters | |
*/ | |
public static final String DEFAULT_TRANSFER_ENCODING = "8bit"; | |
/** | |
* Contents of this StringPart. | |
*/ | |
private byte[] content; | |
/** | |
* The String value of this part. | |
*/ | |
private String value; | |
/** | |
* Constructor. | |
* | |
* @param name The name of the part | |
* @param value the string to post | |
* @param charset the charset to be used to encode the string, if <code>null</code> | |
* the {@link #DEFAULT_CHARSET default} is used | |
*/ | |
public ComplexPart(String name, String value, String charset) { | |
super( | |
name, | |
DEFAULT_CONTENT_TYPE, | |
charset == null ? DEFAULT_CHARSET : charset, | |
DEFAULT_TRANSFER_ENCODING | |
); | |
if (value == null) { | |
throw new IllegalArgumentException("Value may not be null"); | |
} | |
if (value.indexOf(0) != -1) { | |
// See RFC 2048, 2.8. "8bit Data" | |
throw new IllegalArgumentException("NULs may not be present in string parts"); | |
} | |
this.value = value; | |
} | |
/** | |
* Constructor. | |
* | |
* @param name The name of the part | |
* @param value the string to post | |
*/ | |
public ComplexPart(String name, String value) { | |
this(name, value, null); | |
} | |
/** | |
* Gets the content in bytes. Bytes are lazily created to allow the charset to be changed | |
* after the part is created. | |
* | |
* @return the content in bytes | |
*/ | |
private byte[] getContent() { | |
if (content == null) { | |
content = EncodingUtil.getBytes(value, getCharSet()); | |
} | |
return content; | |
} | |
/** | |
* Writes the data to the given OutputStream. | |
* | |
* @param out the OutputStream to write to | |
* @throws IOException if there is a write error | |
*/ | |
protected void sendData(OutputStream out) throws IOException { | |
out.write(getContent()); | |
} | |
/** | |
* Return the length of the data. | |
* | |
* @return The length of the data. | |
* @throws IOException If an IO problem occurs | |
* @see org.apache.commons.httpclient.methods.multipart.Part#lengthOfData() | |
*/ | |
protected long lengthOfData() throws IOException { | |
return getContent().length; | |
} | |
/* (non-Javadoc) | |
* @see org.apache.commons.httpclient.methods.multipart.BasePart#setCharSet(java.lang.String) | |
*/ | |
public void setCharSet(String charSet) { | |
super.setCharSet(charSet); | |
this.content = null; | |
} | |
} |