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1
3 package com.nwalsh.xalan;
4
5 import java.io.BufferedReader  ;
6 import java.io.InputStreamReader ;
7 import java.io.InputStream ;
8 import java.io.IOException ;
9 import java.io.FileNotFoundException ;
10 import java.net.URL ;
11 import java.net.MalformedURLException ;
12
13 import org.xml.sax.SAXException ;
14 import org.xml.sax.AttributeList ;
15 import org.xml.sax.ContentHandler ;
16
17 import org.w3c.dom.*;
18 import org.apache.xerces.dom.*;
19
20 import org.apache.xpath.objects.XObject;
21 import org.apache.xpath.XPath;
22 import org.apache.xpath.NodeSet;
23 import org.apache.xalan.extensions.XSLProcessorContext;
24 import org.apache.xalan.transformer.TransformerImpl;
25 import org.apache.xalan.templates.StylesheetRoot;
26 import org.apache.xalan.templates.ElemExtensionCall;
27 import org.apache.xalan.templates.OutputProperties;
28 import org.apache.xalan.res.XSLTErrorResources;
29
30 import javax.xml.transform.stream.StreamResult ;
31 import javax.xml.transform.TransformerException ;
32 import javax.xml.transform.URIResolver ;
33 import javax.xml.transform.Source ;
34
35
58 public class Text {
59
64 public Text() {
65 }
66
67 public String insertfile(XSLProcessorContext context,
68 ElemExtensionCall elem)
69 throws MalformedURLException ,
70 FileNotFoundException ,
71 IOException ,
72 TransformerException {
73 String href = getFilename(context, elem);
74 String encoding = getEncoding(context, elem);
75
76 String baseURI = context.getTransformer().getBaseURLOfSource();
77 URIResolver resolver = context.getTransformer().getURIResolver();
78
79 if (resolver != null) {
80 Source source = resolver.resolve(href, baseURI);
81 href = source.getSystemId();
82 }
83
84 URL baseURL = null;
85 URL fileURL = null;
86
87 try {
88 baseURL = new URL (baseURI);
89 } catch (MalformedURLException e1) {
90 try {
91 baseURL = new URL ("file:" + baseURI);
92 } catch (MalformedURLException e2) {
93 System.out.println("Cannot find base URI for " + baseURI);
94 baseURL = null;
95 }
96 }
97
98 String text = "";
99
100 try {
101 try {
102 fileURL = new URL (baseURL, href);
103 } catch (MalformedURLException e1) {
104 try {
105 fileURL = new URL (baseURL, "file:" + href);
106 } catch (MalformedURLException e2) {
107 System.out.println("Cannot open " + href);
108 return "";
109 }
110 }
111
112 InputStreamReader isr = null;
113 if (encoding.equals("") == true)
114 isr = new InputStreamReader (fileURL.openStream());
115 else
116 isr = new InputStreamReader (fileURL.openStream(), encoding);
117
118 BufferedReader is = new BufferedReader (isr);
119
120 final int BUFFER_SIZE = 4096;
121 char chars[] = new char[BUFFER_SIZE];
122 char nchars[] = new char[BUFFER_SIZE];
123 int len = 0;
124 int i = 0;
125 int carry = -1;
126
127 while ((len = is.read(chars)) > 0) {
128
131 int nlen = 0;
132 for (i=0; i<len; i++) {
133 if (chars[i] == '\r') {
135 if (i < (len - 1)) {
136 if (chars[i+1] == '\n') continue;
138 nchars[nlen] = '\n';
140 nlen++;
141 continue;
142 } else {
143 carry = is.read();
145 nchars[nlen] = '\n';
146 nlen++;
147 if (carry == '\n') {
148 carry = -1;
149 }
150 break;
151 }
152 }
153 nchars[nlen] = chars[i];
154 nlen++;
155 }
156
157 text += String.valueOf(nchars, 0, nlen);
158
159 if (carry != -1) text += String.valueOf((char)carry);
161 carry = -1;
162 }
163 is.close();
164 } catch (Exception e) {
165 System.out.println("Cannot read " + href);
166 }
167
168 return text;
169 }
170
171 private String getFilename(XSLProcessorContext context, ElemExtensionCall elem)
172 throws java.net.MalformedURLException ,
173 java.io.FileNotFoundException ,
174 java.io.IOException ,
175 javax.xml.transform.TransformerException {
176
177 String fileName;
178
179 fileName = ((ElemExtensionCall)elem).getAttribute ("href",
180 context.getContextNode(),
181 context.getTransformer());
182
183 if(fileName == null) {
184 context.getTransformer().getMsgMgr().error(elem,
185 "No 'href' on text, or not a filename");
186 }
187
188 return fileName;
189 }
190
191 private String getEncoding(XSLProcessorContext context, ElemExtensionCall elem)
192 throws java.net.MalformedURLException ,
193 java.io.FileNotFoundException ,
194 java.io.IOException ,
195 javax.xml.transform.TransformerException {
196
197 String encoding;
198
199 encoding = ((ElemExtensionCall)elem).getAttribute ("encoding",
200 context.getContextNode(),
201 context.getTransformer());
202
203 if (encoding == null) {
204 return "";
205 } else {
206 return encoding;
207 }
208 }
209 }
210 |
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