XSDValidationHandler.java

/*
 * Copyright (c) 2008, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * Licensed 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.wso2.carbon.registry.extensions.handlers;

import org.wso2.carbon.registry.core.exceptions.RegistryException;
import org.wso2.carbon.registry.core.Resource;
import org.wso2.carbon.registry.core.jdbc.handlers.Handler;
import org.wso2.carbon.registry.core.jdbc.handlers.RequestContext;
import org.wso2.carbon.registry.extensions.utils.SchemaValidator;
import org.wso2.carbon.registry.extensions.utils.CommonUtil;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

public class XSDValidationHandler extends Handler {
    
    public Resource get(RequestContext requestContext) throws RegistryException {
        return null;
    }

    public void put(RequestContext requestContext) throws RegistryException {
        if (!CommonUtil.isUpdateLockAvailable()) {
            return;
        }
        CommonUtil.acquireUpdateLock();
        try {
            SchemaValidator validator = new SchemaValidator();
            Resource resource = requestContext.getResource();
            Object resourceContent = resource.getContent();
            if (resourceContent instanceof byte[]) {
                InputStream in = new ByteArrayInputStream((byte[]) resourceContent);
                validator.validate(in, resource);
            }
            resource.setContentStream(null);
    //        requestContext.getRegistry().put(resource.getPath() ,resource);
        } finally {
            CommonUtil.releaseUpdateLock();
        }
    }

    public void importResource(RequestContext requestContext) throws RegistryException {
        if (!CommonUtil.isUpdateLockAvailable()) {
            return;
        }
        CommonUtil.acquireUpdateLock();
        try {
            SchemaValidator validator = new SchemaValidator();
            Resource resource = requestContext.getResource();
            Object resourceContent = resource.getContent();
            if (resourceContent instanceof byte[]) {
                InputStream in = new ByteArrayInputStream((byte[]) resourceContent);
                validator.validate(in, resource);
            }
            resource.setContentStream(null);
            // requestContext.getRegistry().put(resource.getPath() ,resource);
        } finally {
            CommonUtil.releaseUpdateLock();
        }
    }

    public void delete(RequestContext requestContext) throws RegistryException {
    }

    public void putChild(RequestContext requestContext) throws RegistryException {
    }

    public void importChild(RequestContext requestContext) throws RegistryException {
    }
}