org.apache.shindig.gadgets.spec.OAuth2Spec Maven / Gradle / Ivy

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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.spec;

import com.google.common.collect.Maps;

import org.apache.shindig.common.uri.Uri;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import java.util.Collections;
import java.util.Map;

/**
 * Wraps an <OAuth2> element from the gadget spec.
 *
 * Instances are immutable.
 */
public class OAuth2Spec {

  /** Keys are service names, values are service descriptors */
  private final Map serviceMap;

  /**
   * @param element the OAuth2 spec element
   * @param base  The uri that the spec is loaded from. messages is assumed
   *     to be relative to this path.
   * @throws SpecParserException 
   */
  public OAuth2Spec(Element element, Uri base) throws SpecParserException {
    serviceMap = Maps.newHashMap();
    NodeList services = element.getElementsByTagName("Service");
    for (int i=0; i < services.getLength(); ++i) {
      Node node = services.item(i);
      if (node.getNodeType() == Node.ELEMENT_NODE) {
        parseService((Element)node, base);
      }
    }
  }

  private void parseService(Element serviceElement, Uri base) throws SpecParserException {
    OAuth2Service service = new OAuth2Service(serviceElement, base);
    serviceMap.put(service.getName(), service);
  }

  public Map getServices() {
    return Collections.unmodifiableMap(serviceMap);
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append("");
    for (Map.Entry entry : serviceMap.entrySet()) {
      sb.append("");
      OAuth2Service service = entry.getValue();
      if (service.getAuthorizationUrl() != null) {
        sb.append(service.getAuthorizationUrl().toString("Authorization"));
      }
      if (service.getTokenUrl() != null) {
        sb.append(service.getTokenUrl().toString("Token"));        
      }
      sb.append("");
    }
    sb.append("");
    return sb.toString();
  }

}