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16 package org.apache.cocoon.portal.impl;
17
18 import java.io.UnsupportedEncodingException  ;
19 import java.util.ArrayList ;
20 import java.util.Enumeration ;
21
22 import org.apache.cocoon.environment.Request;
23 import org.apache.cocoon.environment.wrapper.RequestParameters;
24 import org.apache.cocoon.util.NetUtils;
25 import org.apache.commons.lang.BooleanUtils;
26
27
33 public class LinkInfo {
34
35
36 protected final String httpLinkBase;
37 protected final String secureLinkBase;
38 protected boolean hasParameters = false;
39 protected final ArrayList comparableEvents = new ArrayList (5);
40 protected final StringBuffer url = new StringBuffer ();
41
42
43 protected final boolean isSecure;
44
45 public LinkInfo(Request request, int defaultPort, int defaultSecurePort) {
46 this.isSecure = request.getScheme().equals("https");
47 String relativeURI = request.getSitemapURI();
49 final int pos = relativeURI.lastIndexOf('/');
50 if ( pos != -1 ) {
51 relativeURI = relativeURI.substring(pos+1);
52 }
53
54 if ( this.isSecure ) {
56 this.secureLinkBase = relativeURI;
57 this.httpLinkBase = this.getAbsoluteUrl(request, false, defaultPort);
58 } else {
59 httpLinkBase = relativeURI;
60 this.secureLinkBase = this.getAbsoluteUrl(request, true, defaultSecurePort);
61 }
62 }
63
64 protected String getAbsoluteUrl(Request request, boolean useSecure, int port) {
65 final StringBuffer buffer = new StringBuffer ();
66 if ( useSecure ) {
67 buffer.append("https://");
68 } else {
69 buffer.append("http://");
70 }
71 buffer.append(request.getServerName());
72 if ( ( useSecure && port != 443)
73 || ( !useSecure && port != 80 ) ) {
74 buffer.append(':');
75 buffer.append(port);
76 }
77 if ( request.getContextPath().length() > 0 ) {
78 buffer.append(request.getContextPath());
79 }
80 buffer.append('/');
81 if ( request.getSitemapURIPrefix().length() > 0 ) {
82 buffer.append(request.getSitemapURIPrefix());
83 }
84 buffer.append(request.getSitemapURI());
85 return buffer.toString();
86 }
87
88 public String getBase(Boolean secure) {
89 if ( secure == null ) {
91 secure = BooleanUtils.toBooleanObject(this.isSecure);
92 }
93 if ( secure.booleanValue() ) {
94 return this.secureLinkBase + this.url.toString();
95 }
96 return this.httpLinkBase + this.url.toString();
97 }
98
99 public LinkInfo appendToBase(String value) {
100 this.url.append(value);
101 return this;
102 }
103
104 public LinkInfo appendToBase(char c) {
105 this.url.append(c);
106 return this;
107 }
108
109 public void deleteParameterFromBase(String parameterName) {
110 if ( this.hasParameters ) {
111 final int pos = this.url.toString().indexOf("?");
112 final String queryString = this.url.substring(pos + 1);
113 final RequestParameters params = new RequestParameters(queryString);
114 if ( params.getParameter(parameterName) != null ) {
115 this.url.delete(pos, this.url.length() + 1);
117 this.hasParameters = false;
118
119 Enumeration enumeration = params.getParameterNames();
120 while ( enumeration.hasMoreElements() ) {
121 final String paramName = (String )enumeration.nextElement();
122 if ( !paramName.equals(parameterName) ) {
123 String [] values = params.getParameterValues(paramName);
124 for( int i = 0; i < values.length; i++ ) {
125 this.addParameterToBase(paramName, values[i]);
126 }
127 }
128 }
129 }
130 }
131 }
132
133 public void addParameterToBase(String name, String value) {
134 if ( this.hasParameters ) {
135 this.appendToBase('&');
136 } else {
137 this.appendToBase('?');
138 }
139 try {
140 this.appendToBase(name).appendToBase('=').appendToBase(NetUtils.encode(value, "utf-8"));
141 } catch (UnsupportedEncodingException uee) {
142 }
144 this.hasParameters = true;
145 }
146
147 public boolean hasParameters() {
148 return this.hasParameters;
149 }
150 } |
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