1
22
23 package com.liferay.portal.servlet.taglib.portlet;
24
25 import com.liferay.portal.kernel.util.StringMaker;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.kernel.util.StringUtil;
28 import com.liferay.portal.kernel.util.Validator;
29 import com.liferay.util.Http;
30 import com.liferay.util.HttpUtil;
31
32 import java.util.StringTokenizer;
33
34 import javax.portlet.PortletURL;
35
36 import javax.servlet.jsp.JspException;
37 import javax.servlet.jsp.PageContext;
38
39 import org.apache.commons.logging.Log;
40 import org.apache.commons.logging.LogFactory;
41
42
48 public class RenderURLParamsTagUtil {
49
50 public static String doEndTag(String varImpl, PageContext pageContext)
51 throws JspException {
52
53 try {
54 PortletURL portletURL =
55 (PortletURL)pageContext.getAttribute(varImpl);
56
57 String params = StringPool.BLANK;
58
59 if (portletURL != null) {
60 params = _toParamsString(portletURL);
61
62 pageContext.getOut().print(params);
63 }
64
65 return params;
66 }
67 catch (Exception e) {
68 _log.error(e, e);
69
70 throw new JspException(e);
71 }
72 }
73
74 private static String _toParamsString(PortletURL portletURL)
75 throws Exception {
76
77 StringMaker sm = new StringMaker();
78
79 String url = portletURL.toString();
80
81 String queryString = Http.getQueryString(url);
82
83 StringTokenizer st = new StringTokenizer(
84 queryString, StringPool.AMPERSAND);
85
86 while (st.hasMoreTokens()) {
87 String token = st.nextToken();
88
89 if (Validator.isNotNull(token)) {
90 String[] kvp = StringUtil.split(token, StringPool.EQUAL);
91
92 if ((kvp != null) && (kvp.length > 0)) {
93 String key = kvp[0];
94 String value = StringPool.BLANK;
95
96 if (kvp.length > 1) {
97 value = kvp[1];
98 }
99
100 value = HttpUtil.decodeURL(value);
101
102 sm.append("<input name=\"");
103 sm.append(key);
104 sm.append("\" type=\"hidden\" value=\"");
105 sm.append(value);
106 sm.append("\" />");
107 }
108 }
109 }
110
111 return sm.toString();
112 }
113
114 private static Log _log = LogFactory.getLog(ActionURLTagUtil.class);
115
116 }