com.salesmanager.core.util.www.integration.fb.SalesManagerFacebookClient.java Source code

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Here is the source code for com.salesmanager.core.util.www.integration.fb.SalesManagerFacebookClient.java

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/*
 * Licensed to csti consulting 
 * You may obtain a copy of the License at
 *
 * http://www.csticonsulting.com
 * Copyright (c) 2006-Nov 19, 2010 Consultation CS-TI inc. 
 *
 * 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 com.salesmanager.core.util.www.integration.fb;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

import com.restfb.DefaultFacebookClient;
import com.restfb.DefaultJsonMapper;
import com.restfb.DefaultWebRequestor;
import com.restfb.FacebookException;
import com.restfb.FacebookJsonMappingException;
import com.restfb.Parameter;

/**
 * Overwrites restfb.DefaultFacebookClient
 * @author Carl Samson
 *
 */
public class SalesManagerFacebookClient extends DefaultFacebookClient {

    static final String ENCODING_CHARSET = "UTF-8";

    public SalesManagerFacebookClient(String accessToken) {
        super(accessToken, new DefaultWebRequestor(), new DefaultJsonMapper());
    }

    protected String toParameterString(Parameter... parameters) throws FacebookJsonMappingException {

        if (!StringUtils.isBlank(accessToken))
            parameters = parametersWithAdditionalParameter(Parameter.with(ACCESS_TOKEN_PARAM_NAME, accessToken),
                    parameters);

        parameters = parametersWithAdditionalParameter(Parameter.with(FORMAT_PARAM_NAME, "json"), parameters);

        StringBuilder parameterStringBuilder = new StringBuilder();
        boolean first = true;

        for (Parameter parameter : parameters) {
            if (first)
                first = false;
            else
                parameterStringBuilder.append("&");

            String name = urlEncode(parameter.name);
            String value = parameter.value;
            if (!parameter.name.equals(ACCESS_TOKEN_PARAM_NAME)) {
                name = urlEncode(parameter.name);
                value = urlEncodedValueForParameterName(parameter.name, parameter.value);
            }

            parameterStringBuilder.append(name);
            parameterStringBuilder.append("=");
            parameterStringBuilder.append(value);
        }

        return parameterStringBuilder.toString();
    }

    static String urlEncode(String string) {
        if (string == null)
            return null;
        try {
            return URLEncoder.encode(string, ENCODING_CHARSET);
        } catch (UnsupportedEncodingException e) {
            throw new IllegalStateException("Platform doesn't support " + ENCODING_CHARSET, e);
        }
    }

}