| /* |
| * 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 javax.mail.internet; |
| |
| |
| // can be in the form major/minor; charset=jobby |
| |
| /** |
| * @version $Rev$ $Date$ |
| */ |
| public class ContentType { |
| private ParameterList _list; |
| private String _minor; |
| private String _major; |
| |
| public ContentType() { |
| // the Sun version makes everything null here. |
| } |
| |
| public ContentType(final String major, final String minor, final ParameterList list) { |
| _major = major; |
| _minor = minor; |
| _list = list; |
| } |
| |
| public ContentType(final String type) throws ParseException { |
| // get a token parser for the type information |
| final HeaderTokenizer tokenizer = new HeaderTokenizer(type, HeaderTokenizer.MIME); |
| |
| // get the first token, which must be an ATOM |
| HeaderTokenizer.Token token = tokenizer.next(); |
| if (token.getType() != HeaderTokenizer.Token.ATOM) { |
| throw new ParseException("Invalid content type"); |
| } |
| |
| _major = token.getValue(); |
| |
| // the MIME type must be major/minor |
| token = tokenizer.next(); |
| if (token.getType() != '/') { |
| throw new ParseException("Invalid content type"); |
| } |
| |
| |
| // this must also be an atom. Content types are not permitted to be wild cards. |
| token = tokenizer.next(); |
| if (token.getType() != HeaderTokenizer.Token.ATOM) { |
| throw new ParseException("Invalid content type"); |
| } |
| |
| _minor = token.getValue(); |
| |
| // the remainder is parameters, which ParameterList will take care of parsing. |
| final String remainder = tokenizer.getRemainder(); |
| if (remainder != null) { |
| _list = new ParameterList(remainder); |
| } |
| } |
| |
| public String getPrimaryType() { |
| return _major; |
| } |
| |
| public String getSubType() { |
| return _minor; |
| } |
| |
| public String getBaseType() { |
| return _major + "/" + _minor; |
| } |
| |
| public String getParameter(final String name) { |
| return (_list == null ? null : _list.get(name)); |
| } |
| |
| public ParameterList getParameterList() { |
| return _list; |
| } |
| |
| public void setPrimaryType(final String major) { |
| _major = major; |
| } |
| |
| public void setSubType(final String minor) { |
| _minor = minor; |
| } |
| |
| public void setParameter(final String name, final String value) { |
| if (_list == null) { |
| _list = new ParameterList(); |
| } |
| _list.set(name, value); |
| } |
| |
| public void setParameterList(final ParameterList list) { |
| _list = list; |
| } |
| |
| /** |
| * Retrieve a RFC2045 style string representation of |
| * this Content-Type. Returns an empty string if |
| * the conversion failed. |
| * |
| * @return RFC2045 style string |
| */ |
| @Override |
| public String toString() { |
| |
| /* Since JavaMail 1.5: |
| The general contract of Object.toString is that it never returns null. |
| The toString methods of ContentType and ContentDisposition were defined |
| to return null in certain error cases. Given the general toString contract |
| it seems unlikely that anyone ever depended on these special cases, and |
| it would be more useful for these classes to obey the general contract. |
| These methods have been changed to return an empty string in these error |
| cases. |
| */ |
| |
| if (_major == null || _minor == null) { |
| return ""; |
| } |
| |
| // We need to format this as if we're doing it to set into the Content-Type |
| // header. So the parameter list gets added on as if the header name was |
| // also included. |
| String baseType = getBaseType(); |
| |
| if ( baseType == null) { |
| return ""; |
| } |
| |
| if (_list != null) { |
| baseType += _list.toString(baseType.length() + "Content-Type: ".length()); |
| } |
| |
| return baseType; |
| } |
| |
| public boolean match(final ContentType other) { |
| |
| if(_major == null || _minor == null) { |
| return false; |
| } |
| |
| return _major.equalsIgnoreCase(other._major) |
| && (_minor.equalsIgnoreCase(other._minor) |
| || _minor.equals("*") |
| || other._minor.equals("*")); |
| } |
| |
| public boolean match(final String contentType) { |
| try { |
| return match(new ContentType(contentType)); |
| } catch (final ParseException e) { |
| return false; |
| } |
| } |
| } |