diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-10 19:19:55 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-10 19:19:55 +0000 |
commit | 2a444004802173fa97afbc389fc4a6600b6d3f88 (patch) | |
tree | b175a25dd02206218987ab4bc730ad8e77b7756a /sdo-java/branches/sdo-1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/StreamDeserializer.java | |
parent | c993ba575bdd1530b7bbc0c6a19c32e66fce4b89 (diff) |
moving SDO branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@834614 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sdo-java/branches/sdo-1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/StreamDeserializer.java')
-rw-r--r-- | sdo-java/branches/sdo-1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/StreamDeserializer.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sdo-java/branches/sdo-1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/StreamDeserializer.java b/sdo-java/branches/sdo-1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/StreamDeserializer.java new file mode 100644 index 0000000000..9e1492c9fd --- /dev/null +++ b/sdo-java/branches/sdo-1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/util/StreamDeserializer.java @@ -0,0 +1,92 @@ +/** + * + * 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 org.apache.tuscany.sdo.util; + +import java.util.Comparator; + +import javax.xml.XMLConstants; +import javax.xml.namespace.NamespaceContext; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sdo.util.resource.RecordedEventXMLStreamReader; +import org.eclipse.emf.ecore.EDataType; +import org.eclipse.emf.ecore.util.EcoreUtil; +import org.eclipse.emf.ecore.util.ExtendedMetaData; +import org.eclipse.emf.ecore.xmi.XMLResource; +import org.eclipse.emf.ecore.xml.type.internal.QName; + +/** + * StAX Deserializer. The instance isn't thread-safe, however it's safe to use the instance any times on the same thread. + */ +public class StreamDeserializer implements XMLStreamConstants { + protected XMLStreamReader reader; + + protected final XMLStreamReader play(RecordedEventXMLStreamReader.Tag tag) { + return tag.play(reader); + } + + protected String nameSpace, name; + + protected final boolean typedXSI() { + name = reader.getAttributeValue(ExtendedMetaData.XSI_URI, XMLResource.TYPE); + if (name == null) + return false; + int index = name.indexOf(':'); + if (index == -1) + nameSpace = reader.getNamespaceURI(XMLConstants.DEFAULT_NS_PREFIX); // may be XMLConstants.NULL_NS_URI + else { + nameSpace = reader.getNamespaceURI(name.substring(0, index)); + name = name.substring(++index); + } + return true; + } + + static protected Object value(Object type, String literal, NamespaceContext nameSpaces) { + Object value = EcoreUtil.createFromString((EDataType) type, literal); + if (!(value instanceof QName)) + return value; + QName qName = (QName) value; + qName.setNamespaceURI(nameSpaces.getNamespaceURI(qName.getPrefix())); + return value; + } + + static public class Attribute { + public String name, value; + } + + static public final class QualifiedAttribute extends Attribute { + public String nameSpace; + } + + static protected final Comparator EQUAL_NULL = new Comparator() { + public int compare(Object v, Object NULL) { + return v == null || v.equals(null) ? 0 : 1; + } + }, EQUAL = new Comparator() { + public int compare(Object v, Object value) { + return value.equals(v) ? 0 : -1; + } + }, SAME = new Comparator() { + public int compare(Object v, Object value) { + return value == v ? 0 : -1; + } + }; +} |