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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/sax/SAXHelper.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/sax/SAXHelper.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/sax/SAXHelper.java new file mode 100644 index 0000000000..dd22912b17 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/sax/SAXHelper.java @@ -0,0 +1,79 @@ +/* + * 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.sca.common.xml.sax; + +import java.io.IOException; +import java.io.StringReader; + +import javax.xml.parsers.ParserConfigurationException; +import javax.xml.parsers.SAXParser; +import javax.xml.parsers.SAXParserFactory; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.xml.sax.ContentHandler; +import org.xml.sax.InputSource; +import org.xml.sax.SAXException; +import org.xml.sax.XMLReader; + +/** + * Helper class for SAX parsing + */ +public class SAXHelper { + private final SAXParserFactory saxParserFactory; + + /** + * @param saxParserFactory + */ + public SAXHelper(SAXParserFactory saxParserFactory) { + super(); + this.saxParserFactory = saxParserFactory; + } + + public SAXHelper(ExtensionPointRegistry registry) { + FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); + saxParserFactory = factories.getFactory(SAXParserFactory.class); + saxParserFactory.setNamespaceAware(true); + } + + public SAXHelper getInstance(ExtensionPointRegistry registry) { + UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); + return utilities.getUtility(SAXHelper.class); + } + + public SAXParser newSAXParser() throws SAXException { + try { + return saxParserFactory.newSAXParser(); + } catch (ParserConfigurationException e) { + throw new IllegalArgumentException(e); + } + } + + public XMLReader newXMLReader() throws SAXException { + return newSAXParser().getXMLReader(); + } + + public void parse(String xmlString, ContentHandler handler) throws SAXException, IOException { + XMLReader reader = newXMLReader(); + reader.setContentHandler(handler); + reader.parse(new InputSource(new StringReader(xmlString))); + } +} |