From 836328ea2ca7c6780307abf258503201c91e5a96 Mon Sep 17 00:00:00 2001 From: lresende Date: Tue, 10 Nov 2009 19:20:03 +0000 Subject: moving SDO branches git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@834615 13f79535-47bb-0310-9956-ffa450edef68 --- .../apache/tuscany/sdo/helper/XMLHelperImpl.java | 193 +++++++++++++++++++++ 1 file changed, 193 insertions(+) create mode 100644 sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java (limited to 'sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java') diff --git a/sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java b/sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java new file mode 100644 index 0000000000..4d0f3d7de8 --- /dev/null +++ b/sdo-java/branches/sdo-1.1.1-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/XMLHelperImpl.java @@ -0,0 +1,193 @@ +/** + * + * 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.helper; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.Reader; +import java.io.StringReader; +import java.io.StringWriter; +import java.io.Writer; +import java.util.Map; + +import javax.xml.transform.Result; +import javax.xml.transform.Source; +import javax.xml.transform.dom.DOMResult; +import javax.xml.transform.dom.DOMSource; +import javax.xml.transform.sax.SAXResult; +import javax.xml.transform.sax.SAXSource; +import javax.xml.transform.stream.StreamResult; +import javax.xml.transform.stream.StreamSource; + +import org.eclipse.emf.ecore.util.ExtendedMetaData; +import org.xml.sax.InputSource; + +import commonj.sdo.DataObject; +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.XMLDocument; +import commonj.sdo.helper.XMLHelper; + +/** + * A helper to convert XML documents into DataObects and DataObjects into XML + * documnets. + */ +public class XMLHelperImpl implements XMLHelper { + protected HelperContext helperContext; + private ExtendedMetaData extendedMetaData; + + + public XMLHelperImpl(HelperContext hc) { + this.helperContext = hc; + this.extendedMetaData = ((HelperContextImpl)hc).extendedMetaData; + } + + public XMLDocument load(String inputString) { + try { + return load(new StringReader(inputString), null, null); + } catch (IOException e) { + throw new RuntimeException(e); // should never happen + } + } + + public XMLDocument load(String inputString, Object options) { + try { + return load(new StringReader(inputString), null, options); + } catch (IOException e) { + throw new RuntimeException(e); // should never happen + } + } + + public XMLDocument load(InputStream inputStream) throws IOException { + return load(inputStream, null, null); + } + + private Object checkSetOptions(Object options) throws IOException { + if (options != null && !(options instanceof Map)) { + throw new IOException("Invalid load options!"); + } + + if (helperContext != null) { + return ((HelperContextImpl)helperContext).getMergedOption((Map)options); + } else {// null is acceptable as it will be ignored + return options; + } + } + + public XMLDocument load(InputStream inputStream, String locationURI, Object options) throws IOException { + options = checkSetOptions(options); + XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options); + document.load(inputStream, locationURI, options); + return document; + } + + public XMLDocument load(Reader inputReader, String locationURI, Object options) throws IOException { + XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options); + options = checkSetOptions(options); + document.load(inputReader, locationURI, options); + return document; + } + + public XMLDocument load(Source source, String locationURI, Object options) throws IOException { + options = checkSetOptions(options); + if (source instanceof DOMSource) { + DOMSource domSource = (DOMSource)source; + XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options); + document.load(domSource.getNode(), options); + return document; + } else if (source instanceof SAXSource) { + XMLDocumentImpl document = new XMLDocumentImpl(extendedMetaData, options); + InputSource inputSource = SAXSource.sourceToInputSource(source); + document.load(inputSource, locationURI, options); + return document; + } else if (source instanceof StreamSource) { + return load(((StreamSource)source).getInputStream(), locationURI, options); + } else { + throw new UnsupportedOperationException(); + } + } + + public String save(DataObject dataObject, String rootElementURI, String rootElementName) { + StringWriter stringWriter = new StringWriter(); + try { + save(createDocument(dataObject, rootElementURI, rootElementName), stringWriter, null); + return stringWriter.toString(); + } catch (IOException e) { + throw new RuntimeException(e); // should never happen + } + } + + public String save(DataObject dataObject, String rootElementURI, String rootElementName, Object options) { + StringWriter stringWriter = new StringWriter(); + try { + save(createDocument(dataObject, rootElementURI, rootElementName), stringWriter, options); + return stringWriter.toString(); + } catch (IOException e) { + throw new RuntimeException(e); // should never happen + } + } + + public void save(DataObject dataObject, String rootElementURI, String rootElementName, OutputStream outputStream) + throws IOException { + save(createDocument(dataObject, rootElementURI, rootElementName), outputStream, null); + } + + + public void save(DataObject dataObject, + String rootElementURI, + String rootElementName, + OutputStream outputStream, + Object options) throws IOException { + save(createDocument(dataObject, rootElementURI, rootElementName), outputStream, null); + } + + public void save(XMLDocument xmlDocument, OutputStream outputStream, Object options) throws IOException { + options = checkSetOptions(options); + ((XMLDocumentImpl)xmlDocument).save(outputStream, options); + } + + public void save(XMLDocument xmlDocument, Writer outputWriter, Object options) throws IOException { + options = checkSetOptions(options); + ((XMLDocumentImpl)xmlDocument).save(outputWriter, options); + } + + public void save(XMLDocument xmlDocument, Result outputResult, Object options) throws IOException { + options = checkSetOptions(options); + if (outputResult instanceof DOMResult) { + ((XMLDocumentImpl)xmlDocument).save(((DOMResult)outputResult).getNode(), options); + } else if (outputResult instanceof SAXResult) { + throw new UnsupportedOperationException(); + } else if (outputResult instanceof StreamResult) { + save(xmlDocument, ((StreamResult)outputResult).getOutputStream(), options); + } else { + throw new UnsupportedOperationException(); + } + } + + public XMLDocument createDocument(DataObject dataObject, String rootElementURI, String rootElementName) { + XMLDocument xmlDocument = new XMLDocumentImpl(extendedMetaData, dataObject, rootElementURI, rootElementName); + xmlDocument.setEncoding("UTF-8"); + return xmlDocument; + } + + public HelperContext getHelperContext() { + return helperContext; + } +} -- cgit v1.2.3