Source code: org/apache/axis/encoding/ser/DateSerializer.java
1 /*
2 * Copyright 2001-2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.apache.axis.encoding.ser;
18
19 import org.apache.axis.Constants;
20 import org.apache.axis.encoding.SerializationContext;
21 import org.apache.axis.encoding.SimpleValueSerializer;
22 import org.apache.axis.wsdl.fromJava.Types;
23 import org.w3c.dom.Element;
24 import org.xml.sax.Attributes;
25
26 import javax.xml.namespace.QName;
27 import java.io.IOException;
28 import java.text.SimpleDateFormat;
29 import java.util.Calendar;
30 import java.util.Date;
31 import java.util.GregorianCalendar;
32
33 /**
34 * Serializer for Dates.
35 *
36 * @author Sam Ruby <rubys@us.ibm.com>
37 * Modified by @author Rich scheuerle <scheu@us.ibm.com>
38 * @see <a href="http://www.w3.org/TR/xmlschema-2/#dateTime">XML Schema 3.2.16</a>
39 */
40 public class DateSerializer implements SimpleValueSerializer {
41
42 private static SimpleDateFormat zulu =
43 new SimpleDateFormat("yyyy-MM-dd");
44
45 private static Calendar calendar = Calendar.getInstance();
46
47 /**
48 * Serialize a Date.
49 */
50 public void serialize(QName name, Attributes attributes,
51 Object value, SerializationContext context)
52 throws IOException
53 {
54 context.startElement(name, attributes);
55 context.writeString(getValueAsString(value, context));
56 context.endElement();
57 }
58
59 public String getValueAsString(Object value, SerializationContext context) {
60 StringBuffer buf = new StringBuffer();
61 synchronized (calendar) {
62 if(value instanceof Calendar) {
63 value = ((Calendar)value).getTime();
64 }
65 if (calendar.get(Calendar.ERA) == GregorianCalendar.BC) {
66 buf.append("-");
67 calendar.setTime((Date)value);
68 calendar.set(Calendar.ERA, GregorianCalendar.AD);
69 value = calendar.getTime();
70 }
71 buf.append(zulu.format((Date)value));
72 }
73 return buf.toString();
74 }
75
76 public String getMechanismType() { return Constants.AXIS_SAX; }
77
78 /**
79 * Return XML schema for the specified type, suitable for insertion into
80 * the <types> element of a WSDL document, or underneath an
81 * <element> or <attribute> declaration.
82 *
83 * @param javaType the Java Class we're writing out schema for
84 * @param types the Java2WSDL Types object which holds the context
85 * for the WSDL being generated.
86 * @return a type element containing a schema simpleType/complexType
87 * @see org.apache.axis.wsdl.fromJava.Types
88 */
89 public Element writeSchema(Class javaType, Types types) throws Exception {
90 return null;
91 }
92 }