| /* |
| * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @(#)ContentType.java 1.7 02/03/27 |
| */ |
| |
| |
| |
| package com.sun.xml.internal.messaging.saaj.packaging.mime.internet; |
| |
| |
| /** |
| * 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 |
| |
| /** |
| * No-arg Constructor. |
| */ |
| public ContentType() { } |
| |
| /** |
| * Constructor. |
| * |
| * @param primaryType primary type |
| * @param subType subType |
| * @param list ParameterList |
| */ |
| public ContentType(String primaryType, String subType, |
| ParameterList list) { |
| this.primaryType = primaryType; |
| this.subType = subType; |
| if (list == null) |
| list = new ParameterList(); |
| this.list = 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 ParseException if the parse fails. |
| */ |
| public ContentType(String s) throws ParseException { |
| HeaderTokenizer h = new HeaderTokenizer(s, HeaderTokenizer.MIME); |
| HeaderTokenizer.Token tk; |
| |
| // First "type" .. |
| tk = h.next(); |
| if (tk.getType() != HeaderTokenizer.Token.ATOM) |
| throw new ParseException(); |
| primaryType = tk.getValue(); |
| |
| // The '/' separator .. |
| tk = h.next(); |
| if ((char)tk.getType() != '/') |
| throw new ParseException(); |
| |
| // Then "subType" .. |
| tk = h.next(); |
| if (tk.getType() != HeaderTokenizer.Token.ATOM) |
| throw new ParseException(); |
| subType = tk.getValue(); |
| |
| // Finally parameters .. |
| String rem = h.getRemainder(); |
| if (rem != null) |
| list = new ParameterList(rem); |
| } |
| |
| public ContentType copy() { |
| return new ContentType(primaryType,subType,list.copy()); |
| } |
| |
| /** |
| * 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 <code>null</code> |
| * 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; |
| } |
| |
| /** |
| * Set the primary type. Overrides existing primary type. |
| * @param primaryType primary type |
| */ |
| public void setPrimaryType(String primaryType) { |
| this.primaryType = primaryType; |
| } |
| |
| /** |
| * Set the subType. Overrides existing subType |
| * @param subType subType |
| */ |
| public void setSubType(String subType) { |
| this.subType = subType; |
| } |
| |
| /** |
| * Set the specified parameter. If this parameter already exists, |
| * it is replaced by this new value. |
| * |
| * @param name parameter name |
| * @param value parameter value |
| */ |
| public void setParameter(String name, String value) { |
| if (list == null) |
| list = new ParameterList(); |
| |
| list.set(name, value); |
| } |
| |
| /** |
| * Set a new ParameterList. |
| * @param list ParameterList |
| */ |
| public void setParameterList(ParameterList list) { |
| this.list = list; |
| } |
| |
| /** |
| * Retrieve a RFC2045 style string representation of |
| * this Content-Type. Returns <code>null</code> if |
| * the conversion failed. |
| * |
| * @return RFC2045 style string |
| */ |
| @Override |
| public String toString() { |
| if (primaryType == null || subType == null) // need both |
| return null; |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append(primaryType).append('/').append(subType); |
| if (list != null) |
| // Http Binding section of the "SOAP with attachments" specification says, |
| // "SOAP message senders should send Content-Type headers on a single long line." |
| // (http://www.w3.org/TR/SOAP-attachments#HTTPBinding) |
| sb.append(list.toString()); |
| |
| return sb.toString(); |
| } |
| |
| /** |
| * Match with the specified ContentType object. This method |
| * compares <strong>only the <code>primaryType</code> and |
| * <code>primaryType</code> </strong>. The parameters of both operands |
| * are ignored. <p> |
| * |
| * For example, this method will return <code>true</code> when |
| * comparing the ContentTypes for <strong>"text/plain"</strong> |
| * and <strong>"text/plain; charset=foobar"</strong>. |
| * |
| * If the <code>subType</code> of either operand is the special |
| * character '*', then the subtype is ignored during the match. |
| * For example, this method will return <code>true</code> when |
| * comparing the ContentTypes for <strong>"text/plain"</strong> |
| * and <strong>"text/*" </strong> |
| * |
| * @param cType to compare this against |
| * @return true if <code>primaryType</code> and <code>subType</code> |
| * match specified content type. |
| */ |
| public boolean match(ContentType cType) { |
| // Match primaryType |
| if (!primaryType.equalsIgnoreCase(cType.getPrimaryType())) |
| return false; |
| |
| String sType = cType.getSubType(); |
| |
| // If either one of the subTypes is wildcarded, return true |
| if ((subType.charAt(0) == '*') || (sType.charAt(0) == '*')) |
| return true; |
| |
| // Match subType |
| if (!subType.equalsIgnoreCase(sType)) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * Match with the specified content-type string. This method |
| * compares <strong>only the <code>primaryType</code> and |
| * <code>subType</code> </strong>. |
| * The parameters of both operands are ignored. <p> |
| * |
| * For example, this method will return <code>true</code> when |
| * comparing the ContentType for <strong>"text/plain"</strong> |
| * with <strong>"text/plain; charset=foobar"</strong>. |
| * |
| * If the <code>subType</code> of either operand is the special |
| * character '*', then the subtype is ignored during the match. |
| * For example, this method will return <code>true</code> when |
| * comparing the ContentType for <strong>"text/plain"</strong> |
| * with <strong>"text/*" </strong> |
| * |
| * @param s content type |
| * @return true if <code>primaryType</code> and <code>subType</code> |
| * match specified content type. |
| */ |
| public boolean match(String s) { |
| try { |
| return match(new ContentType(s)); |
| } catch (ParseException pex) { |
| return false; |
| } |
| } |
| } |