com.sun.xml.ws.encoding.ContentType Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*
* @(#)ContentType.java 1.7 02/03/27
*/
package com.sun.xml.ws.encoding;
import javax.xml.ws.WebServiceException;
/**
* This class represents a MIME ContentType value. It provides
* methods to parse a ContentType string into individual components
* and to generate a MIME style ContentType string.
*
* @version 1.7, 02/03/27
* @author John Mani
*/
public final class ContentType {
private String primaryType; // primary type
private String subType; // subtype
private ParameterList list; // parameter list
/**
* Constructor that takes a Content-Type string. The String
* is parsed into its constituents: primaryType, subType
* and parameters. A ParseException is thrown if the parse fails.
*
* @param s the Content-Type string.
* @exception WebServiceException if the parse fails.
*/
public ContentType(String s) throws WebServiceException {
HeaderTokenizer h = new HeaderTokenizer(s, HeaderTokenizer.MIME);
HeaderTokenizer.Token tk;
// First "type" ..
tk = h.next();
if (tk.getType() != HeaderTokenizer.Token.ATOM)
throw new WebServiceException();
primaryType = tk.getValue();
// The '/' separator ..
tk = h.next();
if ((char)tk.getType() != '/')
throw new WebServiceException();
// Then "subType" ..
tk = h.next();
if (tk.getType() != HeaderTokenizer.Token.ATOM)
throw new WebServiceException();
subType = tk.getValue();
// Finally parameters ..
String rem = h.getRemainder();
if (rem != null)
list = new ParameterList(rem);
}
/**
* Return the primary type.
* @return the primary type
*/
public String getPrimaryType() {
return primaryType;
}
/**
* Return the subType.
* @return the subType
*/
public String getSubType() {
return subType;
}
/**
* Return the MIME type string, without the parameters.
* The returned value is basically the concatenation of
* the primaryType, the '/' character and the secondaryType.
*
* @return the type
*/
public String getBaseType() {
return primaryType + '/' + subType;
}
/**
* Return the specified parameter value. Returns null
* if this parameter is absent.
*
* @param name parameter name
* @return parameter value
*/
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
*/
public ParameterList getParameterList() {
return list;
}
}