001/*
002 * Copyright 2013 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.springframework.batch.core.jsr.configuration.xml;
017
018import java.util.Properties;
019import org.springframework.beans.factory.config.BeanDefinition;
020import org.springframework.beans.factory.support.BeanDefinitionBuilder;
021import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
022import org.springframework.context.support.GenericApplicationContext;
023import org.springframework.core.io.Resource;
024
025/**
026 * <p>
027 * {@link GenericApplicationContext} implementation providing JSR-352 related context operations.
028 * </p>
029 *
030 * @author Chris Schaefer
031 * @since 3.0
032 */
033public class JsrXmlApplicationContext extends GenericApplicationContext {
034        private static final String JOB_PARAMETERS_BEAN_DEFINITION_NAME = "jsr_jobParameters";
035
036        private XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(this);
037
038        /**
039         * <p>
040         * Create a new context instance with no job parameters.
041         * </p>
042         */
043        public JsrXmlApplicationContext() {
044                reader.setDocumentReaderClass(JsrBeanDefinitionDocumentReader.class);
045                reader.setEnvironment(this.getEnvironment());
046        }
047
048        /**
049         * <p>
050         * Create a new context instance using the provided {@link Properties} representing job
051         * parameters when pre-processing the job definition document.
052         * </p>
053         *
054         * @param jobParameters the {@link Properties} representing job parameters
055         */
056        public JsrXmlApplicationContext(Properties jobParameters) {
057                reader.setDocumentReaderClass(JsrBeanDefinitionDocumentReader.class);
058                reader.setEnvironment(this.getEnvironment());
059
060                storeJobParameters(jobParameters);
061        }
062
063        private void storeJobParameters(Properties properties) {
064                BeanDefinition jobParameters = BeanDefinitionBuilder.genericBeanDefinition(Properties.class).getBeanDefinition();
065                jobParameters.getConstructorArgumentValues().addGenericArgumentValue(properties != null ? properties : new Properties());
066
067                reader.getRegistry().registerBeanDefinition(JOB_PARAMETERS_BEAN_DEFINITION_NAME, jobParameters);
068        }
069
070        protected XmlBeanDefinitionReader getReader() {
071                return reader;
072        }
073
074        /**
075         * Set whether to use XML validation. Default is <code>true</code>.
076         *
077         * @param validating true if XML should be validated.
078         */
079        public void setValidating(boolean validating) {
080                this.reader.setValidating(validating);
081        }
082
083        /**
084         * Load bean definitions from the given XML resources.
085         * @param resources one or more resources to load from
086         */
087        public void load(Resource... resources) {
088                this.reader.loadBeanDefinitions(resources);
089        }
090}