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1
5 package com.opensymphony.webwork.views.jsp;
6
7 import com.opensymphony.util.TextUtils;
8 import org.apache.commons.logging.Log;
9 import org.apache.commons.logging.LogFactory;
10
11 import javax.servlet.jsp.JspException  ;
12 import java.io.IOException ;
13
14
15
19 public class PropertyTag extends WebWorkTagSupport {
20
22 private static final Log log = LogFactory.getLog(PropertyTag.class);
23
24
26 private String defaultValue;
27 private String value;
28 private boolean escape = true;
29
30
32 public void setDefault(String defaultValue) {
33 this.defaultValue = defaultValue;
34 }
35
36 public void setEscape(boolean escape) {
37 this.escape = escape;
38 }
39
40 public void setValue(String value) {
41 this.value = value;
42 }
43
44 public int doStartTag() throws JspException {
45 try {
46 Object actualValue = null;
47
48 if (value == null) {
49 value = "top";
50 }
51
52 actualValue = getStack().findValue(value, String .class);
56
57 if (actualValue != null) {
58 pageContext.getOut().print(prepare(actualValue));
59 } else if (defaultValue != null) {
60 pageContext.getOut().print(prepare(defaultValue));
61 }
62 } catch (IOException e) {
63 log.info("Could not print out value '" + value + "': " + e.getMessage());
64 }
65
66 return SKIP_BODY;
67 }
68
69 private Object prepare(Object value) {
70 if (escape) {
71 return TextUtils.htmlEncode(value.toString());
72 } else {
73 return value;
74 }
75 }
76 }
77 |
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