| /* |
| * 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.ignite.spi.deployment.uri; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import org.apache.ignite.IgniteLogger; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.spi.IgniteSpiException; |
| import org.springframework.beans.BeansException; |
| import org.springframework.beans.factory.xml.XmlBeanFactory; |
| import org.springframework.core.io.ByteArrayResource; |
| import org.springframework.core.io.InputStreamResource; |
| |
| /** |
| * Workaround for {@link InputStreamResource}. Converts input stream with XML |
| * to {@code GridUriDeploymentSpringDocument} with {@link ByteArrayResource} |
| * instead of {@link InputStreamResource}. |
| */ |
| final class GridUriDeploymentSpringParser { |
| /** |
| * Enforces singleton. |
| */ |
| private GridUriDeploymentSpringParser() { |
| // No-op. |
| } |
| |
| /** |
| * Converts given input stream expecting XML inside to |
| * {@link GridUriDeploymentSpringDocument}. |
| * <p> |
| * This is a workaround for the {@link InputStreamResource} which does |
| * not work properly. |
| * |
| * @param in Input stream with XML. |
| * @param log Logger |
| * @return Grid wrapper for the input stream. |
| * @throws org.apache.ignite.spi.IgniteSpiException Thrown if incoming input stream could not be |
| * read or parsed by {@code Spring} {@link XmlBeanFactory}. |
| * @see XmlBeanFactory |
| */ |
| static GridUriDeploymentSpringDocument parseTasksDocument(InputStream in, IgniteLogger log) throws |
| IgniteSpiException { |
| assert in != null; |
| |
| // Note: use ByteArrayResource instead of InputStreamResource because InputStreamResource doesn't work. |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| |
| try { |
| U.copy(in, out); |
| |
| XmlBeanFactory factory = new XmlBeanFactory(new ByteArrayResource(out.toByteArray())); |
| |
| return new GridUriDeploymentSpringDocument(factory); |
| } |
| catch (BeansException | IOException e) { |
| throw new IgniteSpiException("Failed to parse spring XML file.", e); |
| } |
| finally { |
| U.close(out, log); |
| } |
| } |
| } |