1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
|
package org.apache.commons.jelly.tags.core; |
17 |
|
|
18 |
|
import java.io.FileNotFoundException; |
19 |
|
import java.io.FileOutputStream; |
20 |
|
import java.io.IOException; |
21 |
|
import java.io.OutputStreamWriter; |
22 |
|
import java.io.StringWriter; |
23 |
|
import java.io.UnsupportedEncodingException; |
24 |
|
import java.io.Writer; |
25 |
|
|
26 |
|
import org.apache.commons.jelly.JellyTagException; |
27 |
|
import org.apache.commons.jelly.TagSupport; |
28 |
|
import org.apache.commons.jelly.XMLOutput; |
29 |
|
import org.apache.commons.jelly.util.SafeContentHandler; |
30 |
|
import org.dom4j.io.HTMLWriter; |
31 |
|
import org.dom4j.io.OutputFormat; |
32 |
|
import org.dom4j.io.XMLWriter; |
33 |
|
import org.xml.sax.SAXException; |
34 |
|
|
35 |
|
|
36 |
|
|
37 |
|
|
38 |
|
|
39 |
|
|
40 |
|
|
41 |
|
public class FileTag extends TagSupport { |
42 |
|
private String var; |
43 |
|
private String name; |
44 |
|
private boolean omitXmlDeclaration = false; |
45 |
|
private String outputMode = "xml"; |
46 |
|
private boolean prettyPrint; |
47 |
|
private String encoding; |
48 |
|
|
49 |
|
public FileTag(){ |
50 |
|
} |
51 |
|
|
52 |
|
|
53 |
|
|
54 |
|
public void doTag(final XMLOutput output) throws JellyTagException { |
55 |
|
try { |
56 |
|
if ( name != null ) { |
57 |
|
String encoding = (this.encoding != null) ? class="keyword">this.encoding : "UTF-8"; |
58 |
|
Writer writer = new OutputStreamWriter( class="keyword">new FileOutputStream( name ), encoding ); |
59 |
|
writeBody(writer); |
60 |
|
} |
61 |
|
else if (var != null) { |
62 |
|
StringWriter writer = new StringWriter(); |
63 |
|
writeBody(writer); |
64 |
|
context.setVariable(var, writer.toString()); |
65 |
|
} |
66 |
|
else { |
67 |
|
throw new JellyTagException( "This tag must have either the 'name' or the 'var' variables defined" ); |
68 |
|
} |
69 |
|
} catch (FileNotFoundException e) { |
70 |
|
throw new JellyTagException(e); |
71 |
|
} catch (UnsupportedEncodingException e) { |
72 |
|
throw new JellyTagException(e); |
73 |
|
} catch (SAXException e) { |
74 |
|
throw new JellyTagException("could not write file",e); |
75 |
|
} |
76 |
|
} |
77 |
|
|
78 |
|
|
79 |
|
|
80 |
|
|
81 |
|
|
82 |
|
|
83 |
|
|
84 |
|
public void setName(String name) { |
85 |
|
this.name = name; |
86 |
|
} |
87 |
|
|
88 |
|
|
89 |
|
|
90 |
|
|
91 |
|
public void setOmitXmlDeclaration(boolean omitXmlDeclaration) { |
92 |
|
this.omitXmlDeclaration = omitXmlDeclaration; |
93 |
|
} |
94 |
|
|
95 |
|
|
96 |
|
|
97 |
|
|
98 |
|
|
99 |
|
public void setOutputMode(String outputMode) { |
100 |
|
this.outputMode = outputMode; |
101 |
|
} |
102 |
|
|
103 |
|
|
104 |
|
|
105 |
|
|
106 |
|
public void setPrettyPrint(boolean prettyPrint) { |
107 |
|
this.prettyPrint = prettyPrint; |
108 |
|
} |
109 |
|
|
110 |
|
|
111 |
|
|
112 |
|
|
113 |
|
public void setEncoding(String encoding) { |
114 |
|
this.encoding = encoding; |
115 |
|
} |
116 |
|
|
117 |
|
|
118 |
|
|
119 |
|
|
120 |
|
|
121 |
|
public String getVar() { |
122 |
|
return var; |
123 |
|
} |
124 |
|
|
125 |
|
|
126 |
|
|
127 |
|
|
128 |
|
|
129 |
|
public void setVar(String var) { |
130 |
|
this.var = class="keyword">var; |
131 |
|
} |
132 |
|
|
133 |
|
|
134 |
|
|
135 |
|
|
136 |
|
protected void writeBody(Writer writer) throws SAXException, JellyTagException { |
137 |
|
|
138 |
|
XMLOutput newOutput = createXMLOutput(writer); |
139 |
|
try { |
140 |
|
|
141 |
|
newOutput.setContentHandler( |
142 |
|
new SafeContentHandler(class="keyword">newOutput.getContentHandler()) |
143 |
|
); |
144 |
|
newOutput.startDocument(); |
145 |
|
invokeBody(newOutput); |
146 |
|
newOutput.endDocument(); |
147 |
|
} |
148 |
|
finally { |
149 |
|
try { newOutput.close(); } catch (IOException e) {} |
150 |
|
} |
151 |
|
} |
152 |
|
|
153 |
|
|
154 |
|
|
155 |
|
|
156 |
|
protected XMLOutput createXMLOutput(Writer writer) { |
157 |
|
|
158 |
|
OutputFormat format = null; |
159 |
|
if (prettyPrint) { |
160 |
|
format = OutputFormat.createPrettyPrint(); |
161 |
|
} |
162 |
|
else { |
163 |
|
format = new OutputFormat(); |
164 |
|
} |
165 |
|
if ( encoding != null ) { |
166 |
|
format.setEncoding( encoding ); |
167 |
|
} |
168 |
|
if ( omitXmlDeclaration ) { |
169 |
|
format.setSuppressDeclaration(true); |
170 |
|
} |
171 |
|
|
172 |
|
boolean isHtml = outputMode != null && outputMode.equalsIgnoreCase( "html" ); |
173 |
|
final XMLWriter xmlWriter = (isHtml) |
174 |
|
? new HTMLWriter(writer, format) |
175 |
|
: new XMLWriter(writer, format); |
176 |
|
|
177 |
|
xmlWriter.setEscapeText(isEscapeText()); |
178 |
|
|
179 |
|
XMLOutput answer = new XMLOutput() { |
180 |
6 |
public void close() throws IOException { |
181 |
6 |
xmlWriter.close(); |
182 |
6 |
} |
183 |
|
}; |
184 |
|
answer.setContentHandler(xmlWriter); |
185 |
|
answer.setLexicalHandler(xmlWriter); |
186 |
|
return answer; |
187 |
|
} |
188 |
|
} |