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1 package org.jahia.taglibs.container;
2
3 import java.io.IOException  ;
4
5 import javax.servlet.ServletRequest ;
6 import javax.servlet.jsp.JspException ;
7 import javax.servlet.jsp.tagext.BodyTagSupport ;
8
9 import org.jahia.data.JahiaData;
10 import org.jahia.data.beans.ContainerListBean;
11 import org.jahia.data.containers.JahiaContainer;
12 import org.jahia.data.containers.JahiaContainerList;
13 import org.jahia.exceptions.JahiaException;
14 import org.jahia.taglibs.util.Utils;
15 import org.jahia.data.beans.ContainerBean;
16
17
26 public class ContainerListTag extends BodyTagSupport {
27
28 private static org.apache.log4j.Logger logger =
29 org.apache.log4j.Logger.getLogger(ContainerListTag.class);
30
31 private String listName = "";
32 private JahiaContainerList containerList = null;
33
34 private int intWindowSize = -1; private int intWindowOffset = -1;
38
39 private String windowSize;
40 private String windowOffset;
41
42 private JahiaData jData = null;
43
44 private boolean hasParent = false;
45 private String parentListName = "";
46 private String parentContainerName = null;
47
48 public void setName (String name) {
49 this.listName = name;
50 }
51
52 public String getName () {
53 return this.listName;
54 }
55
56 public int getSize () {
57 if (this.getContainerList() != null) {
58 return this.getContainerList().size();
59 }
60 return 0;
61 }
62
63 public void setWindowSize (String windowSize) {
64 try {
65 this.windowSize = windowSize;
66 this.intWindowSize = Integer.parseInt(windowSize);
67 } catch (NumberFormatException nfe) {
68 this.windowSize = "";
69 this.intWindowSize = -1;
70 }
71 }
72
73 public String getWindowSize () {
74 return this.windowSize;
75 }
76
77 public void setWindowOffset (String windowOffset) {
78 try {
79 this.windowOffset = windowOffset;
80 this.intWindowOffset = Integer.parseInt(windowOffset);
81 } catch (NumberFormatException nfe) {
82 this.intWindowOffset = -1;
83 }
84 }
85
86 public String getWindowOffset () {
87 return this.windowOffset;
88 }
89
90 public JahiaContainerList getContainerList () {
91 return this.containerList;
92 }
93
94 public ContainerListBean getContainerListBean() {
95 if (this.containerList == null) {
96 return null;
97 }
98 return new ContainerListBean(this.containerList, jData.params());
99 }
100
101 public String getParentContainerName() {
102 return parentContainerName;
103 }
104
105 public void setParentContainerName(String parentContainerName) {
106 this.parentContainerName = parentContainerName;
107 }
108
109 public int doStartTag () {
110
111 ServletRequest request = pageContext.getRequest();
112 jData = (JahiaData) request.getAttribute("org.jahia.data.JahiaData");
113
114 JahiaContainer parentContainer = null;
115 if (parentContainerName != null) {
116 ContainerBean parentContainerBean = (ContainerBean) pageContext.findAttribute(parentContainerName);
119 if (parentContainerBean != null) {
120 parentContainer = parentContainerBean.getJahiaContainer();
121 try {
122 this.parentListName = parentContainer.getDefinition().
123 getName();
124 retrieveContainerList(parentContainer);
125 } catch (JahiaException je) {
126 logger.error("Error while retrieving container list for parent container " + parentContainer.getID(), je);
127 }
128 }
129 }
130
131 if (this.containerList == null) {
132 ContainerListTag parentContainerListTag = (ContainerListTag)
136 findAncestorWithClass(this,
137 ContainerListTag.class);
138 if (parentContainerListTag != null) {
139 this.parentListName = parentContainerListTag.getName();
140 hasParent = true;
143
144 ContainerTag parentContainerTag = (ContainerTag)
146 findAncestorWithClass(this,
147 ContainerTag.class);
148 try {
149 if (parentContainerTag != null) {
151 parentContainer = parentContainerTag.
152 getContainer();
153 if (parentContainer != null) {
154 retrieveContainerList(parentContainer);
155 } else {
156 logger.error("Parent container not found...");
157 }
158 } else {
159 logger.error("Parent container tag not found...");
160 }
161 } catch (JahiaException je) {
162 logger.error("Error:", je);
163 }
164 } else {
165 try {
168 this.containerList = getContainerList(jData, getName());
169 } catch (JahiaException je) {
170 logger.error("Error:", je);
171 }
172 }
173 }
174 if (getId() != null) {
175 if (getContainerListBean() != null) {
176 pageContext.setAttribute(getId(), getContainerListBean());
177 } else {
178 pageContext.removeAttribute(getId());
179 }
180 }
181
182 return EVAL_BODY_BUFFERED;
183 }
184
185 private void retrieveContainerList (JahiaContainer parentContainer)
186 throws JahiaException {
187 this.containerList = parentContainer.
188 getContainerList(this.
189 listName);
190 if (this.containerList == null) {
191
194 this.listName = Utils.buildUniqueName(
195 parentListName, this.listName);
196 logger.warn(
197 "Using legacy method to find sub-container list " +
198 this.listName);
199 this.containerList = parentContainer.
200 getContainerList(this.
201 listName);
202 }
203 }
204
205 public int doAfterBody () {
207
208 try {
209 bodyContent.writeOut(bodyContent.getEnclosingWriter());
210 } catch (IOException ioe) {
211 logger.error("Error:", ioe);
212 }
213 return SKIP_BODY;
214 }
215
216 protected JahiaContainerList getContainerList (JahiaData jData,
218 String listName)
219 throws JahiaException {
220
221 return jData.containers().getContainerList(listName);
222 }
223
224 public int doEndTag ()
225 throws JspException {
226 listName = "";
229 containerList = null;
230
231 intWindowSize = -1; intWindowOffset = -1;
233
234 windowSize = null;
235 windowOffset = null;
236
237 jData = null;
238
239 hasParent = false;
240 parentListName = "";
241 parentContainerName = null;
242 return EVAL_PAGE;
243 }
244
245 }
246 |
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