com.anysoft.util.resource.HttpResourceLoader Maven / Gradle / Ivy
package com.anysoft.util.resource;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import com.anysoft.util.BaseException;
import com.anysoft.util.URLocation;
/**
* 基于Http的资源装入器
* @author duanyy
*
*/
public class HttpResourceLoader implements ResourceLoader {
/**
* 装载输入流
* @param _url URL
* @param _context 上下文
* @return 输入流实例
* @throws BaseException 当Http连接出现错误时抛出
*/
public InputStream load(URLocation _url, Object _context)
throws BaseException {
try {
URL url = _url.makeURL();
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
return conn.getInputStream();
} catch (Exception e) {
throw new BaseException(HttpResourceLoader.class.getName(),
"Can not open url:" + _url.toString(), e);
}
}
/**
* 生成资源的标准URL
*
* @param _url URL
* @param _context 上下文
* @return 资源对应的URL
* @throws BaseException 当路径格式不正确时抛出
*/
public URL createURL(URLocation _url, Object _context) throws BaseException {
try {
return _url.makeURL();
} catch (MalformedURLException e) {
throw new BaseException(HttpResourceLoader.class.getName(),
"Can not open url:" + _url.toString(), e);
}
}
}