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1
64
65 package com.jcorporate.expresso.ext.taglib;
66
67 import com.jcorporate.expresso.core.controller.Block;
68
69 import javax.servlet.jsp.JspTagException  ;
70 import javax.servlet.jsp.JspWriter ;
71 import javax.servlet.jsp.tagext.Tag ;
72
73
74
77 public class BlockTag
78 extends ExpressoTagSupport {
79
80 protected Block oneBlock = null;
82
83 protected java.lang.String name = null;
85 protected java.lang.String nameToUse = null;
86
87 public BlockTag() {
88 super();
89 }
90
91 public int doEndTag()
92 throws javax.servlet.jsp.JspTagException {
93 return EVAL_PAGE;
94 }
95
96 public int doStartTag()
97 throws javax.servlet.jsp.JspTagException {
98 nameToUse = name;
99 getControllerResponse();
100
101 try {
102 Tag container = getContainer();
103
104 if (container == null) {
105 oneBlock = ctlrResp.getBlock(nameToUse);
106 } else {
107 if (container instanceof ElementIterator) {
108 oneBlock = (Block) ((ElementIterator) container).getElement();
109 nameToUse = oneBlock.getName();
110 } else if (container instanceof BlockTag) {
111 oneBlock = (Block) ((BlockTag) container).getBlock().getContent(getName());
112 } else {
113 throw new JspTagException ("ActionTag: cannot handle container tag" +
114 container.getClass().getName());
115 }
116 }
117
118 JspWriter writer = pageContext.getOut();
119
120 if (oneBlock == null) {
121 writer.println("The Block Named " + nameToUse +
122 " Could Not Be Found");
123 }
124 } catch (Exception e) {
125 throw new JspTagException ("Block Tag Error: " + e.getMessage());
126 }
127
128 return EVAL_BODY_INCLUDE;
129 }
130
131 public Block getBlock() {
132 return oneBlock;
133 }
134
135 public java.lang.String getName() {
136 return nameToUse;
137 }
138
139 public void setName(java.lang.String newName) {
140 name = newName;
141 }
142 }
143
144 |
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