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1
25 package org.ofbiz.webapp.taglib;
26
27 import java.io.IOException  ;
28 import java.util.Iterator ;
29 import java.util.Map ;
30 import javax.servlet.jsp.JspTagException ;
31 import javax.servlet.jsp.JspWriter ;
32 import javax.servlet.jsp.tagext.BodyContent ;
33 import javax.servlet.jsp.tagext.BodyTagSupport ;
34
35
43 public class IterateNextTag extends BodyTagSupport {
44
45 protected String name = null;
46 protected Class type = null;
47 protected Object element = null;
48 protected boolean expandMap = false;
49
50 public void setName(String name) {
51 this.name = name;
52 }
53
54 public void setType(String type) throws ClassNotFoundException {
55 ClassLoader loader = Thread.currentThread().getContextClassLoader();
56 this.type = loader.loadClass(type);
57 }
58
59 public void setExpandMap(String expMap) {
60 expandMap = "true".equals(expMap);
62 }
63
64 public String getName() {
65 return name;
66 }
67
68 public String getExpandMap() {
69 return expandMap ? "true" : "false";
70 }
71
72 public Object getElement() {
73 return element;
74 }
75
76 public int doStartTag() throws JspTagException {
77 IteratorTag iteratorTag =
78 (IteratorTag) findAncestorWithClass(this, IteratorTag.class);
79
80 if (iteratorTag == null)
81 throw new JspTagException ("IterateNextTag not inside IteratorTag.");
82
83 Iterator iterator = iteratorTag.getIterator();
84
85 if (iterator == null || !iterator.hasNext())
86 return SKIP_BODY;
87
88 if (name == null)
89 name = "next";
90
91 Object element = iterator.next();
93
94 pageContext.setAttribute(name, element);
95
96 if (expandMap) {
98 Map tempMap = (Map ) element;
99 Iterator mapEntries = tempMap.entrySet().iterator();
100
101 while (mapEntries.hasNext()) {
102 Map.Entry entry = (Map.Entry ) mapEntries.next();
103 Object value = entry.getValue();
104
105 if (value == null) value = new String ();
106 pageContext.setAttribute((String ) entry.getKey(), value);
107 }
108 }
109
110 iteratorTag.setIterator(iterator);
112
113 return EVAL_BODY_AGAIN;
114 }
115
116 public int doAfterBody() {
117 return SKIP_BODY;
118 }
119
120 public int doEndTag() {
121 try {
122 BodyContent body = getBodyContent();
123
124 if (body != null) {
125 JspWriter out = body.getEnclosingWriter();
126 String bodyString = body.getString();
127 body.clearBody();
128 out.print(bodyString);
129 }
130 } catch (IOException e) {
131 System.out.println("IterateNext Tag error: " + e);
132 }
133 return EVAL_PAGE;
134 }
135 }
136
137 |
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