org.springframework.social.mixcloud.api.impl.MixcloudTemplate.java Source code

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Here is the source code for org.springframework.social.mixcloud.api.impl.MixcloudTemplate.java

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/*
 * Copyright 2011 the original author or authors.
 *
 * 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.springframework.social.mixcloud.api.impl;

import java.util.Arrays;
import java.util.List;

import org.springframework.http.MediaType;
import org.springframework.http.converter.ByteArrayHttpMessageConverter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.social.NotAuthorizedException;
import org.springframework.social.mixcloud.api.MeOperations;
import org.springframework.social.mixcloud.api.Mixcloud;
import org.springframework.social.mixcloud.api.UsersOperations;
import org.springframework.social.mixcloud.api.impl.json.MixcloudModule;
import org.springframework.social.oauth2.AbstractOAuth2ApiBinding;
import org.springframework.social.support.ClientHttpRequestFactorySelector;
import org.springframework.web.client.RestTemplate;

import com.fasterxml.jackson.databind.ObjectMapper;

/**
 * Template for interacting with mixcloud api
 * 
 * @author Michael Lavelle
 */
public class MixcloudTemplate extends AbstractOAuth2ApiBinding implements Mixcloud {

    private MeOperations meOperations;
    private UsersOperations usersOperations;

    private ObjectMapper objectMapper;

    /**
     * Create a new instance of MixcloudTemplate. This constructor creates a
     * new MixcloudTemplate able to perform unauthenticated operations against
     * Mixcloud's API. Some operations do not require OAuth authentication.
     * For example, retrieving a specified user's profile or feed does not
     * require authentication . A MixcloudTemplate created with this
     * constructor will support those operations. Those operations requiring
     * authentication will throw {@link NotAuthorizedException}.
     */
    public MixcloudTemplate() {
        initialize(null);
    }

    /**
     * Create a new instance of MixcloudTemplate. This constructor creates the
     * MixcloudTemplate using a given access token.
     * 
     * @param accessToken
     *            An access token given by Mixcloud after a successful OAuth 2
     *            authentication
     */
    public MixcloudTemplate(String accessToken) {
        super(accessToken);
        initialize(accessToken);
    }

    @Override
    protected List<HttpMessageConverter<?>> getMessageConverters() {
        List<HttpMessageConverter<?>> messageConverters = super.getMessageConverters();
        messageConverters.add(new ByteArrayHttpMessageConverter());
        return messageConverters;
    }

    @Override
    public MeOperations meOperations() {

        return meOperations;
    }

    @Override
    public UsersOperations usersOperations() {
        return usersOperations;
    }

    private void initSubApis(String accessToken) {
        meOperations = new MeTemplate(accessToken, getRestTemplate(), isAuthorized());
        usersOperations = new UsersTemplate(accessToken, getRestTemplate(), isAuthorized());

    }

    // private helpers
    private void initialize(String accessToken) {
        // Wrap the request factory with a BufferingClientHttpRequestFactory so
        // that the error handler can do repeat reads on the response.getBody()

        super.setRequestFactory(
                ClientHttpRequestFactorySelector.bufferRequests(getRestTemplate().getRequestFactory()));
        initSubApis(accessToken);

    }

    @Override
    protected void configureRestTemplate(RestTemplate restTemplate) {
        restTemplate.setErrorHandler(new MixcloudErrorHandler());
    }

    @Override
    protected MappingJackson2HttpMessageConverter getJsonMessageConverter() {
        MappingJackson2HttpMessageConverter converter = super.getJsonMessageConverter();
        converter.setSupportedMediaTypes(Arrays.asList(new MediaType("text", "javascript")));
        objectMapper = new ObjectMapper();
        objectMapper.registerModule(new MixcloudModule());
        converter.setObjectMapper(objectMapper);
        return converter;
    }

}