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Renders gadgets, provides the gadget metadata service, and serves all javascript required by the OpenSocial specification.

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/*
 * 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.shindig.gadgets.js;

import com.google.inject.Inject;

/**
 * Default implementation of {@link JsServingPipeline}.
 *
 * The processing steps are executed by a {@link JsProcessorRegistry}, which can
 * be configured or replaced to add and remove processing steps, or to execute
 * different processing steps depending on the context.
 */
public class DefaultJsServingPipeline implements JsServingPipeline {

  private final JsProcessorRegistry jsProcessorRegistry;

  @Inject
  public DefaultJsServingPipeline(JsProcessorRegistry jsProcessorRegistry) {
    this.jsProcessorRegistry = jsProcessorRegistry;
  }

  public JsResponse execute(JsRequest jsRequest) throws JsException {
    JsResponseBuilder resp = new JsResponseBuilder();    
    jsProcessorRegistry.process(jsRequest, resp);
    return resp.build();
  }
}