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1
28
29 package com.caucho.eswrap.com.caucho.vfs;
30
31 import com.caucho.es.Call;
32 import com.caucho.vfs.Path;
33 import com.caucho.vfs.ReadStream;
34 import com.caucho.vfs.ReadWritePair;
35 import com.caucho.vfs.WriteStream;
36
37 import java.io.IOException  ;
38 import java.io.InputStream ;
39
40 public class WriteStreamEcmaWrap {
41 public static void writeByte(WriteStream os, int ch)
42 throws Throwable
43 {
44 os.write(ch);
45 }
46
47 public static void write(WriteStream os, Call call, int length)
48 throws Throwable
49 {
50 for (int i = 0; i < length; i++) {
51 String string = call.getArgString(i, length);
52
53 if (string == null)
54 string = "null";
55
56 os.print(string);
57 }
58 }
59
60 public static void writeln(WriteStream os, Call call, int length)
61 throws Throwable
62 {
63 for (int i = 0; i < length; i++) {
64 String string = call.getArgString(i, length);
65
66 if (string == null)
67 string = "null";
68
69 if (i + 1 == length)
70 os.println(string);
71 else
72 os.print(string);
73 }
74
75 if (length == 0)
76 os.println();
77 }
78
79 public static void printf(WriteStream os, Call eval, int length)
80 throws Throwable
81 {
82 if (length == 0)
83 return;
84
85 String result = eval.printf(length);
86
87 os.print(result);
88 }
89
90 public static void writeFile(WriteStream os, Path path)
91 throws IOException
92 {
93 ReadStream stream = path.openRead();
94
95 try {
96 os.writeStream(stream);
97 } finally {
98 stream.close();
99 }
100 }
101
102 public static void writeStream(WriteStream os, Call call, int length)
103 throws Throwable
104 {
105 if (length < 1)
106 return;
107
108 char []buf = new char[256];
109 int len;
110
111 Object obj = call.getArgObject(0, length);
112 if (obj instanceof ReadStream) {
113 ReadStream is = (ReadStream) obj;
114 os.writeStream(is);
115 }
116 else if (obj instanceof ReadWritePair) {
117 os.writeStream(((ReadWritePair) obj).getReadStream());
118 }
119 else if (obj instanceof InputStream ) {
120 os.writeStream((InputStream ) obj);
121 }
122 else
123 throw new IllegalArgumentException ("expected stream at " +
124 obj.getClass().getName());
125 }
126 }
127
128 |
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Java API By Example, From Geeks To Geeks.