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Open source Reference Implementation of JSR-67: SOAP with Attachments API for Java (SAAJ MR: 1.4)
/*
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*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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* recipient has the option to distribute your version of this file under
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* and therefore, elected the GPL Version 2 license, then the option applies
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* holder.
*/
/*
* @(#)ContentDisposition.java 1.6 02/03/27
*/
package com.sun.xml.messaging.saaj.packaging.mime.internet;
/**
* This class represents a MIME ContentDisposition value. It provides
* methods to parse a ContentDisposition string into individual components
* and to generate a MIME style ContentDisposition string.
*
* @version 1.6, 02/03/27
* @author John Mani
*/
public class ContentDisposition {
private String disposition; // disposition
private ParameterList list; // parameter list
/**
* No-arg Constructor.
*/
public ContentDisposition() { }
/**
* Constructor.
*
* @param disposition disposition
* @param list ParameterList
* @since JavaMail 1.2
*/
public ContentDisposition(String disposition, ParameterList list) {
this.disposition = disposition;
this.list = list;
}
/**
* Constructor that takes a ContentDisposition string. The String
* is parsed into its constituents: dispostion and parameters.
* A ParseException is thrown if the parse fails.
*
* @param s the ContentDisposition string.
* @exception ParseException if the parse fails.
* @since JavaMail 1.2
*/
public ContentDisposition(String s) throws ParseException {
HeaderTokenizer h = new HeaderTokenizer(s, HeaderTokenizer.MIME);
HeaderTokenizer.Token tk;
// First "disposition" ..
tk = h.next();
if (tk.getType() != HeaderTokenizer.Token.ATOM)
throw new ParseException();
disposition = tk.getValue();
// Then parameters ..
String rem = h.getRemainder();
if (rem != null)
list = new ParameterList(rem);
}
/**
* Return the disposition value.
* @return the disposition
* @since JavaMail 1.2
*/
public String getDisposition() {
return disposition;
}
/**
* Return the specified parameter value. Returns null
* if this parameter is absent.
* @param name parameter name.
* @return parameter value
* @since JavaMail 1.2
*/
public String getParameter(String name) {
if (list == null)
return null;
return list.get(name);
}
/**
* Return a ParameterList object that holds all the available
* parameters. Returns null if no parameters are available.
*
* @return ParameterList
* @since JavaMail 1.2
*/
public ParameterList getParameterList() {
return list;
}
/**
* Set the primary type. Overrides existing primary type.
* @param disposition disposition value
* @since JavaMail 1.2
*/
public void setDisposition(String disposition) {
this.disposition = disposition;
}
/**
* Set the specified parameter. If this parameter already exists,
* it is replaced by this new value.
*
* @param name parameter name
* @param value parameter value
* @since JavaMail 1.2
*/
public void setParameter(String name, String value) {
if (list == null)
list = new ParameterList();
list.set(name, value);
}
/**
* Set a new ParameterList.
* @param list ParameterList
* @since JavaMail 1.2
*/
public void setParameterList(ParameterList list) {
this.list = list;
}
/**
* Retrieve a RFC2045 style string representation of
* this ContentDisposition. Returns null if
* the conversion failed.
*
* @return RFC2045 style string
* @since JavaMail 1.2
*/
@Override
public String toString() {
if (disposition == null)
return null;
if (list == null)
return disposition;
StringBuilder sb = new StringBuilder(disposition);
// append the parameter list
// use the length of the string buffer + the length of
// the header name formatted as follows "Content-Disposition: "
sb.append(list.toString(sb.length() + 21));
return sb.toString();
}
}