com.google.resting.method.post.PostServiceContext.java Source code

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Here is the source code for com.google.resting.method.post.PostServiceContext.java

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/*
 * Copyright (C) 2010 Google Code.
 *
 * 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 com.google.resting.method.post;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.entity.FileEntity;
import org.apache.http.entity.StringEntity;

import com.google.resting.component.EncodingTypes;
import com.google.resting.component.RequestParams;
import com.google.resting.component.ServiceContext;
import com.google.resting.component.Verb;
import com.google.resting.component.content.ContentType;
import com.google.resting.component.impl.URLContext;
import com.google.resting.rest.client.HttpContext;

/**
 * Implementation of ServiceContext for HTTP POST operation.
 * 
 * Fix submitted by peter.g.horsley@gmail.com
 * 
 * @author sujata.de
 * @since resting 0.2
 */
public class PostServiceContext extends ServiceContext {

    private List<NameValuePair> inputParams = null;
    private String path = null;
    private String contextPathElement = null;
    private HttpEntity httpEntity = null;

    public PostServiceContext(URLContext urlContext, RequestParams requestParams, EncodingTypes encoding,
            List<Header> inputHeaders, HttpContext httpContext) {
        super(urlContext, requestParams, Verb.POST, encoding, inputHeaders, httpContext);
        this.contextPathElement = urlContext.getContextPath();
        this.path = this.contextPathElement;
        if (requestParams != null) {
            this.inputParams = requestParams.getRequestParams();
            this.httpEntity = setFormEntity(this.inputParams);
        }
        //   System.out.println( "The path is "+path);      
    }//PostServiceContext

    public PostServiceContext(URLContext urlContext, String message, EncodingTypes encoding,
            List<Header> inputHeaders, HttpContext httpContext) {
        super(urlContext, null, Verb.POST, encoding, inputHeaders, httpContext);
        this.contextPathElement = urlContext.getContextPath();
        this.path = this.contextPathElement;
        this.httpEntity = setMessageEntity(message, encoding, null);

        //   System.out.println( "The path is "+path);      
    }//PostServiceContext   

    public PostServiceContext(URLContext urlContext, RequestParams requestParams, String message,
            EncodingTypes encoding, List<Header> inputHeaders, ContentType messageContentType,
            HttpContext httpContext) {
        super(urlContext, requestParams, Verb.POST, encoding, inputHeaders, httpContext);
        this.contextPathElement = urlContext.getContextPath();
        this.path = this.contextPathElement;
        this.httpEntity = setMessageEntity(message, encoding, messageContentType);

        //   System.out.println( "The path is "+path);      
    }//PostServiceContext   

    public PostServiceContext(URLContext urlContext, RequestParams requestParams, File file, EncodingTypes encoding,
            List<Header> inputHeaders, ContentType contentType, HttpContext httpContext) {
        super(urlContext, requestParams, Verb.POST, encoding, inputHeaders, httpContext);
        this.contextPathElement = urlContext.getContextPath();
        this.path = this.contextPathElement;
        this.httpEntity = setFileEntity(file, contentType, encoding);
        //   System.out.println( "The path is "+path);      
    }//PostServiceContext      

    private HttpEntity setMessageEntity(String message, EncodingTypes encoding, ContentType contentType) {
        StringEntity entity = null;
        try {
            try {
                entity = new StringEntity(message);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            if (encoding != null)
                entity.setContentEncoding(encoding.getName());

            if (contentType != null)
                entity.setContentType(contentType.getName());

        } catch (Exception e) {
            e.printStackTrace();
        }
        return entity;
    }//setMessageEntity

    private HttpEntity setFileEntity(File file, ContentType contentType, EncodingTypes encoding) {
        FileEntity entity = null;

        try {

            entity = new FileEntity(file, contentType.getName());

            if (encoding != null)
                entity.setContentEncoding(encoding.getName());

        } catch (Exception e) {
            e.printStackTrace();
        }
        return entity;
    }//setFileEntity

    private HttpEntity setFormEntity(List<NameValuePair> inputParams) {
        UrlEncodedFormEntity entity = null;
        try {
            entity = (getCharset() == null) ? new UrlEncodedFormEntity(inputParams)
                    : new UrlEncodedFormEntity(inputParams, getCharset().getName());

        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return entity;

    }

    private HttpEntity setFileEntity(String filename, boolean isBinary) {
        return null;
    }

    @Override
    public String getContextPathElement() {
        return contextPathElement;
    }//getContextPathElement

    @Override
    public HttpEntity getHttpEntity() {
        return httpEntity;
    }//getHttpEntity

    @Override
    public List<NameValuePair> getInputParams() {
        return inputParams;
    }//getInputParams

    @Override
    public String getPath() {
        return path;
    }//getPath

}//PostServiceContext