001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: package com.sun.xml.bind.v2.runtime;
038:
039: import java.awt.*;
040: import java.io.IOException;
041:
042: import javax.activation.MimeType;
043: import javax.xml.stream.XMLStreamException;
044:
045: import com.sun.xml.bind.api.AccessorException;
046:
047: import org.xml.sax.SAXException;
048:
049: /**
050: * {@link Transducer} decorator that wraps another {@link Transducer}
051: * and sets the expected MIME type to the context.
052: *
053: * <p>
054: * Combined with {@link Transducer} implementations (such as one for {@link Image}),
055: * this is used to control the marshalling of the BLOB types.
056: *
057: * @author Kohsuke Kawaguchi
058: */
059: public final class MimeTypedTransducer<V> extends FilterTransducer<V> {
060: private final MimeType expectedMimeType;
061:
062: public MimeTypedTransducer(Transducer<V> core,
063: MimeType expectedMimeType) {
064: super (core);
065: this .expectedMimeType = expectedMimeType;
066: }
067:
068: @Override
069: public CharSequence print(V o) throws AccessorException {
070: XMLSerializer w = XMLSerializer.getInstance();
071: MimeType old = w.setExpectedMimeType(expectedMimeType);
072: try {
073: return core.print(o);
074: } finally {
075: w.setExpectedMimeType(old);
076: }
077: }
078:
079: @Override
080: public void writeText(XMLSerializer w, V o, String fieldName)
081: throws IOException, SAXException, XMLStreamException,
082: AccessorException {
083: MimeType old = w.setExpectedMimeType(expectedMimeType);
084: try {
085: core.writeText(w, o, fieldName);
086: } finally {
087: w.setExpectedMimeType(old);
088: }
089: }
090:
091: @Override
092: public void writeLeafElement(XMLSerializer w, Name tagName, V o,
093: String fieldName) throws IOException, SAXException,
094: XMLStreamException, AccessorException {
095: MimeType old = w.setExpectedMimeType(expectedMimeType);
096: try {
097: core.writeLeafElement(w, tagName, o, fieldName);
098: } finally {
099: w.setExpectedMimeType(old);
100: }
101: }
102: }
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