edu.internet2.middleware.shibboleth.common.config.resource.FileBackedHttpResourceBeanDefinitionParser.java Source code

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Here is the source code for edu.internet2.middleware.shibboleth.common.config.resource.FileBackedHttpResourceBeanDefinitionParser.java

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/*
 * Licensed to the University Corporation for Advanced Internet Development, 
 * Inc. (UCAID) under one or more contributor license agreements.  See the 
 * NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The UCAID 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 edu.internet2.middleware.shibboleth.common.config.resource;

import java.net.URI;
import java.net.URISyntaxException;

import javax.xml.namespace.QName;

import org.opensaml.util.resource.FileBackedHttpResource;
import org.opensaml.xml.util.DatatypeHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;

/** Bean definition parser for {@link FileBackedHttpResource}s. */
public class FileBackedHttpResourceBeanDefinitionParser extends AbstractResourceBeanDefinitionParser {

    /** Schema type. */
    public static final QName SCHEMA_TYPE = new QName(ResourceNamespaceHandler.NAMESPACE, "FileBackedHttpResource");

    /** Class logger. */
    private final Logger log = LoggerFactory.getLogger(FileBackedHttpResourceBeanDefinitionParser.class);

    /** {@inheritDoc} */
    protected Class getBeanClass(Element arg0) {
        return FileBackedHttpResource.class;
    }

    /** {@inheritDoc} */
    protected String resolveId(Element configElement, AbstractBeanDefinition beanDefinition,
            ParserContext parserContext) {
        return FileBackedHttpResource.class.getName() + ":("
                + DatatypeHelper.safeTrimOrNullString(configElement.getAttributeNS(null, "url")) + ","
                + DatatypeHelper.safeTrimOrNullString(configElement.getAttributeNS(null, "file")) + ")";
    }

    /** {@inheritDoc} */
    protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
        super.doParse(element, parserContext, builder);
        builder.addConstructorArgValue(DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "url")));

        String file = DatatypeHelper.safeTrimOrNullString(element.getAttributeNS(null, "file"));
        if (file.startsWith("file:")) {
            try {
                builder.addConstructorArgValue(new URI(file));
            } catch (URISyntaxException e) {
                log.error("Illegal file: URI syntax", e);
                throw new BeanCreationException("Illegal file: URI syntax");
            }
        } else {
            builder.addConstructorArgValue(file);
        }

        addResourceFilter(element, parserContext, builder);
    }
}