| /* |
| * 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.maven.internal.impl; |
| |
| import javax.inject.Named; |
| import javax.inject.Singleton; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.Reader; |
| import java.io.Writer; |
| import java.net.URL; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| |
| import org.apache.maven.api.annotations.Nonnull; |
| import org.apache.maven.api.model.InputSource; |
| import org.apache.maven.api.model.Model; |
| import org.apache.maven.api.services.xml.ModelXmlFactory; |
| import org.apache.maven.api.services.xml.XmlReaderException; |
| import org.apache.maven.api.services.xml.XmlReaderRequest; |
| import org.apache.maven.api.services.xml.XmlWriterException; |
| import org.apache.maven.api.services.xml.XmlWriterRequest; |
| import org.apache.maven.model.v4.MavenStaxReader; |
| import org.apache.maven.model.v4.MavenStaxWriter; |
| |
| import static org.apache.maven.internal.impl.Utils.nonNull; |
| |
| @Named |
| @Singleton |
| public class DefaultModelXmlFactory implements ModelXmlFactory { |
| @Override |
| public Model read(@Nonnull XmlReaderRequest request) throws XmlReaderException { |
| nonNull(request, "request can not be null"); |
| Path path = request.getPath(); |
| URL url = request.getURL(); |
| Reader reader = request.getReader(); |
| InputStream inputStream = request.getInputStream(); |
| if (path == null && url == null && reader == null && inputStream == null) { |
| throw new IllegalArgumentException("path, url, reader or inputStream must be non null"); |
| } |
| try { |
| InputSource source = null; |
| if (request.getModelId() != null || request.getLocation() != null) { |
| source = new InputSource(request.getModelId(), request.getLocation()); |
| } |
| MavenStaxReader xml = new MavenStaxReader(); |
| xml.setAddDefaultEntities(request.isAddDefaultEntities()); |
| if (inputStream != null) { |
| return xml.read(inputStream, request.isStrict(), source); |
| } else if (reader != null) { |
| return xml.read(reader, request.isStrict(), source); |
| } else if (path != null) { |
| try (InputStream is = Files.newInputStream(path)) { |
| return xml.read(is, request.isStrict(), source); |
| } |
| } else { |
| try (InputStream is = url.openStream()) { |
| return xml.read(is, request.isStrict(), source); |
| } |
| } |
| } catch (Exception e) { |
| throw new XmlReaderException("Unable to read model", e); |
| } |
| } |
| |
| @Override |
| public void write(XmlWriterRequest<Model> request) throws XmlWriterException { |
| nonNull(request, "request can not be null"); |
| Model content = nonNull(request.getContent(), "content can not be null"); |
| Path path = request.getPath(); |
| OutputStream outputStream = request.getOutputStream(); |
| Writer writer = request.getWriter(); |
| if (writer == null && outputStream == null && path == null) { |
| throw new IllegalArgumentException("writer, outputStream or path must be non null"); |
| } |
| try { |
| if (writer != null) { |
| new MavenStaxWriter().write(writer, content); |
| } else if (outputStream != null) { |
| new MavenStaxWriter().write(outputStream, content); |
| } else { |
| try (OutputStream os = Files.newOutputStream(path)) { |
| new MavenStaxWriter().write(outputStream, content); |
| } |
| } |
| } catch (Exception e) { |
| throw new XmlWriterException("Unable to write model", e); |
| } |
| } |
| |
| /** |
| * Simply parse the given xml string. |
| * |
| * @param xml the input xml string |
| * @return the parsed object |
| * @throws XmlReaderException if an error occurs during the parsing |
| * @see #toXmlString(Object) |
| */ |
| public static Model fromXml(@Nonnull String xml) throws XmlReaderException { |
| return new DefaultModelXmlFactory().fromXmlString(xml); |
| } |
| |
| /** |
| * Simply converts the given content to an xml string. |
| * |
| * @param content the object to convert |
| * @return the xml string representation |
| * @throws XmlWriterException if an error occurs during the transformation |
| * @see #fromXmlString(String) |
| */ |
| public static String toXml(@Nonnull Model content) throws XmlWriterException { |
| return new DefaultModelXmlFactory().toXmlString(content); |
| } |
| } |