org.apache.shindig.gadgets.config.XhrwrapperConfigContributor.java Source code

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Here is the source code for org.apache.shindig.gadgets.config.XhrwrapperConfigContributor.java

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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.config;

import com.google.common.collect.Maps;
import com.google.inject.Singleton;
import org.apache.shindig.common.uri.Uri;
import org.apache.shindig.gadgets.AuthType;
import org.apache.shindig.gadgets.Gadget;
import org.apache.shindig.gadgets.GadgetException;
import org.apache.shindig.gadgets.oauth.OAuthArguments;
import org.apache.shindig.gadgets.spec.View;

import java.util.Map;

/**
 * Provides config support for the xhrwrapper feature.
 *
 * @since 2.0.0
 */

@Singleton
public class XhrwrapperConfigContributor implements ConfigContributor {
    /** {@inheritDoc} */
    public void contribute(Map<String, Object> config, Gadget gadget) {
        Map<String, String> xhrWrapperConfig = Maps.newHashMapWithExpectedSize(2);
        View view = gadget.getCurrentView();
        Uri contentsUri = view.getHref();
        xhrWrapperConfig.put("contentUrl", contentsUri == null ? "" : contentsUri.toString());
        if (AuthType.OAUTH.equals(view.getAuthType())) {
            addOAuthConfig(xhrWrapperConfig, view);
        } else if (AuthType.SIGNED.equals(view.getAuthType())) {
            xhrWrapperConfig.put("authorization", "signed");
        }
        config.put("shindig.xhrwrapper", xhrWrapperConfig);
    }

    /** {@inheritDoc} */
    private void addOAuthConfig(Map<String, String> xhrWrapperConfig, View view) {
        Map<String, String> oAuthConfig = Maps.newHashMapWithExpectedSize(3);
        try {
            OAuthArguments oAuthArguments = new OAuthArguments(view);
            oAuthConfig.put("authorization", "oauth");
            oAuthConfig.put("oauthService", oAuthArguments.getServiceName());
            if (!"".equals(oAuthArguments.getTokenName())) {
                oAuthConfig.put("oauthTokenName", oAuthArguments.getTokenName());
            }
            xhrWrapperConfig.putAll(oAuthConfig);
        } catch (GadgetException e) {
            // Do not add any OAuth configuration if an exception was thrown
        }
    }

    public void contribute(Map<String, Object> config, String container, String host) {
        // no-op, no container specific configuration
    }
}