httpxmlstreamopener.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.datasources.w3c.http;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.InputStreamRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;

import java.io.IOException;
import java.io.InputStream;


public class HTTPXMLStreamOpener {
    public HTTPXMLStreamOpener() {
    }

    public InputStream openHttpGetStream(String httpGetUrl)
        throws HttpException, IOException {
        HttpClient httpClient = null;
        GetMethod method = null;

        httpClient = new HttpClient();
        method = new GetMethod(httpGetUrl);

        // specify the content type as xml
        method.setRequestHeader("Content-Type", "text/xml");

        // execute the request
        httpClient.executeMethod(method);

        return method.getResponseBodyAsStream();
    }

    public PostMethod openHttpPostStream(String httpPostUrl, InputStream in)
        throws HttpException, IOException {
        HttpClient httpClient = null;
        PostMethod method = null;

        httpClient = new HttpClient();
        method = new PostMethod(httpPostUrl);

        // forward input stream to HTTP request object
        method.setRequestEntity(new InputStreamRequestEntity(in));

        // specify content type and encoding
        // if content encoding is not explicitly specified
        // ISO-8859-1 is assumed
        method.setRequestHeader("Content-type", "text/xml; charset=ISO-8859-1");

        // execute request
        httpClient.executeMethod(method);

        return method;
    }
}