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1
16 package org.mortbay.jetty.servlet;
17
18 import java.io.IOException  ;
19 import java.io.OutputStream ;
20 import java.io.OutputStreamWriter ;
21 import java.io.PrintWriter ;
22 import java.io.UnsupportedEncodingException ;
23
24 import org.apache.commons.logging.Log;
25 import org.mortbay.log.LogFactory;
26 import org.mortbay.http.HttpOutputStream;
27 import org.mortbay.util.IO;
28 import org.mortbay.util.LogSupport;
29
30
31
32
39 class ServletWriter extends PrintWriter
40 {
41 private static Log log = LogFactory.getLog(ServletWriter.class);
42
43 String encoding=null;
44 OutputStream os=null;
45 boolean written=false;
46
47
48 ServletWriter(OutputStream os)
49 throws IOException
50 {
51 super((os instanceof HttpOutputStream)
52 ?((HttpOutputStream)os).getWriter(null)
53 :new OutputStreamWriter (os));
54 this.os=os;
55 }
56
57
58 ServletWriter(OutputStream os, String encoding)
59 throws IOException
60 {
61 super((os instanceof HttpOutputStream)
62 ?((HttpOutputStream)os).getWriter(encoding)
63 :new OutputStreamWriter (os,encoding));
64 this.os=os;
65 this.encoding=encoding;
66 }
67
68
69 public void disable()
70 {
71 out=IO.getNullWriter();
72 }
73
74
75 public void reset()
76 {
77 try{
78 out=IO.getNullWriter();
79 super.flush();
80 out=new OutputStreamWriter (os,encoding);
81 written=false;
82 }
83 catch(UnsupportedEncodingException e)
84 {
85 log.fatal(e); System.exit(1);
86 }
87 }
88
89
90
91 public boolean isWritten()
92 {
93 return written;
94 }
95
96
97
98 public void print(boolean p) {written=true;super.print(p);}
99 public void print(char p) {written=true;super.print(p);}
100 public void print(char[] p) {written=true;super.print(p);}
101 public void print(double p) {written=true;super.print(p);}
102 public void print(float p) {written=true;super.print(p);}
103 public void print(int p) {written=true;super.print(p);}
104 public void print(long p) {written=true;super.print(p);}
105 public void print(Object p) {written=true;super.print(p);}
106 public void print(String p) {written=true;super.print(p);}
107 public void println() {written=true;super.println();}
108 public void println(boolean p){written=true;super.println(p);}
109 public void println(char p) {written=true;super.println(p);}
110 public void println(char[] p) {written=true;super.println(p);}
111 public void println(double p) {written=true;super.println(p);}
112 public void println(float p) {written=true;super.println(p);}
113 public void println(int p) {written=true;super.println(p);}
114 public void println(long p) {written=true;super.println(p);}
115 public void println(Object p) {written=true;super.println(p);}
116 public void println(String p) {written=true;super.println(p);}
117
118
119 public void write(int c)
120 {
121 try
122 {
123 if (out==null)
124 throw new IOException ("closed");
125 written=true;
126 out.write(c);
127 }
128 catch (IOException e){LogSupport.ignore(log,e);setError();}
129 }
130
131 public void write(char[] cbuf, int off, int len)
132 {
133 try
134 {
135 if (out==null)
136 throw new IOException ("closed");
137 written=true;
138 out.write(cbuf,off,len);
139 }
140 catch (IOException e){LogSupport.ignore(log,e);setError();}
141 }
142
143 public void write(char[] cbuf)
144 {
145 try
146 {
147 if (out==null)
148 throw new IOException ("closed");
149 written=true;
150 out.write(cbuf,0,cbuf.length);
151 }
152 catch (IOException e){LogSupport.ignore(log,e);setError();}
153 }
154
155 public void write(String s, int off, int len)
156 {
157 try
158 {
159 if (out==null)
160 throw new IOException ("closed");
161 written=true;
162 out.write(s,off,len);
163 }
164 catch (IOException e){LogSupport.ignore(log,e);setError();}
165 }
166
167 public void write(String s)
168 {
169 try
170 {
171 if (out==null)
172 throw new IOException ("closed");
173 written=true;
174 out.write(s,0,s.length());
175 }
176 catch (IOException e){LogSupport.ignore(log,e);setError();}
177 }
178 }
179 |
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