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org.apache.commons.jelly.tags.jaxme.UnmarshallTag |
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1 | /** |
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2 | * Copyright 2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.jelly.tags.jaxme; |
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17 | ||
18 | import java.io.File; |
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19 | import java.io.IOException; |
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20 | ||
21 | import javax.xml.bind.UnmarshallerHandler; |
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22 | import javax.xml.bind.Unmarshaller; |
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23 | import javax.xml.bind.JAXBException; |
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24 | import javax.xml.bind.JAXBContext; |
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25 | ||
26 | import org.apache.commons.jelly.TagSupport; |
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27 | import org.apache.commons.jelly.XMLOutput; |
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28 | import org.apache.commons.jelly.MissingAttributeException; |
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29 | import org.apache.commons.jelly.JellyTagException; |
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30 | ||
31 | import org.apache.ws.jaxme.generator.Generator; |
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32 | import org.apache.ws.jaxme.generator.SchemaReader; |
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33 | import org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader; |
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34 | import org.apache.ws.jaxme.generator.sg.SchemaSG; |
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35 | import org.apache.ws.jaxme.generator.impl.GeneratorImpl; |
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36 | ||
37 | import org.xml.sax.SAXException; |
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38 | ||
39 | /** |
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40 | * <p>Unmarshalls xml documents into java objects.</p> |
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41 | * <p> |
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42 | * This tag unmarshalls the xml content contained |
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43 | * into the JaxMe generated java objects in the packages specified. |
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44 | * </p> |
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45 | * |
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46 | * @author <a href="mailto:joe@ispsoft.de">Jochen Wiedmann</a> |
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47 | * @author <a href="mailto:commons-dev at jakarta.apache.org">Jakarta Commons Development Team</a> |
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48 | * @version $Revision: 1.2 $ |
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49 | */ |
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50 | 1 | public class UnmarshallTag extends TagSupport { |
51 | ||
52 | private String packages; |
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53 | private String var; |
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54 | ||
55 | public String getPackages() { |
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56 | 0 | return packages; |
57 | } |
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58 | ||
59 | /** |
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60 | * Defines the generated objects to which the xml should be unmarshalled. |
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61 | */ |
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62 | public void setPackages(String packages) { |
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63 | 1 | this.packages = packages; |
64 | 1 | } |
65 | ||
66 | public String getVar() { |
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67 | 0 | return var; |
68 | } |
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69 | ||
70 | /** |
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71 | * Sets the name of the jelly variable to which |
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72 | * the unmarshalled java object should be bound. |
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73 | */ |
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74 | public void setVar(String var) { |
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75 | 1 | this.var = class="keyword">var; |
76 | 1 | } |
77 | ||
78 | public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException { |
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79 | 1 | if (packages == null) { |
80 | 0 | throw new MissingAttributeException( "packages" ); |
81 | } |
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82 | 1 | if ( var == null ) { |
83 | 0 | throw new MissingAttributeException( "var" ); |
84 | } |
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85 | try { |
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86 | ||
87 | 1 | JAXBContext jaxbContext = JAXBContext.newInstance(packages); |
88 | 1 | Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); |
89 | 1 | UnmarshallerHandler handler = unmarshaller.getUnmarshallerHandler(); |
90 | ||
91 | 1 | handler.startDocument(); |
92 | ||
93 | 1 | XMLOutput newOutput = new XMLOutput( handler ); |
94 | ||
95 | 1 | invokeBody(newOutput); |
96 | 1 | handler.endDocument(); |
97 | ||
98 | 1 | Object result = handler.getResult(); |
99 | 1 | context.setVariable( var, result ); |
100 | ||
101 | 1 | } catch (JAXBException ex) { |
102 | 0 | throw new JellyTagException(ex); |
103 | } catch (SAXException ex) { |
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104 | 0 | throw new JellyTagException(ex); |
105 | } |
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106 | ||
107 | 1 | } |
108 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |