1 /*
2 * Copyright (c) 2003, Henri Yandell
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or
6 * without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * + Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * + Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * + Neither the name of Genjava-Core nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32 // UrlW.java
33 package com.generationjava.net;
34
35 import java.io.BufferedOutputStream;
36 import java.io.InputStream;
37 import java.io.IOException;
38 import java.io.OutputStream;
39 import java.io.OutputStreamWriter;
40 import java.io.Writer;
41
42 import java.net.URL;
43 import java.net.URLConnection;
44 import java.net.MalformedURLException;
45
46 import com.generationjava.io.FileW;
47 import org.apache.commons.lang.StringUtils;
48
49 public class UrlW {
50
51 static public InputStream openUrlStream(String urlStr) throws IOException {
52 URL url = makeUrl(urlStr);
53 return openUrlStream(url);
54 }
55
56 static public URL makeUrl(String urlStr) throws MalformedURLException {
57 if(urlStr.indexOf("://") == -1) {
58 urlStr = "http://"+urlStr;
59 }
60 return new URL(urlStr);
61 }
62
63 static public InputStream openUrlStream(URL url) throws IOException {
64 return url.openStream();
65 }
66
67 static public Object getContent(String urlStr) throws IOException {
68 URL url = makeUrl(urlStr);
69 return getContent(url);
70 }
71
72 static public Object getContent(URL url) throws IOException {
73 URLConnection conn = url.openConnection();
74 Object obj = conn.getContent();
75 if(obj instanceof InputStream) {
76 obj = getContent((InputStream)obj);
77 }
78 return obj;
79 }
80
81 static public Object getContent(InputStream in) throws IOException {
82 String str = FileW.loadFile(in);
83 str = StringUtils.chopNewline(str);
84 str = StringUtils.chopNewline(str);
85 return str;
86 }
87
88 static public InputStream doPost(String urlStr, String data) throws IOException {
89 URL url = new URL(urlStr);
90 URLConnection uc = url.openConnection();
91 uc.setDoOutput(true);
92
93 OutputStream raw = uc.getOutputStream();
94 Writer writer = new OutputStreamWriter(new BufferedOutputStream(raw), "8859_1");
95 writer.write(data);
96 writer.write("\r\n");
97 writer.flush();
98 writer.close();
99
100 return uc.getInputStream();
101 }
102 }