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1
38 package com.gargoylesoftware.htmlunit.jelly;
39
40 import java.io.IOException  ;
41 import java.net.MalformedURLException ;
42 import java.net.URL ;
43 import java.util.ArrayList ;
44 import java.util.Collections ;
45 import java.util.List ;
46
47 import org.apache.commons.jelly.JellyContext;
48 import org.apache.commons.jelly.JellyTagException;
49 import org.apache.commons.jelly.XMLOutput;
50
51 import com.gargoylesoftware.htmlunit.Page;
52 import com.gargoylesoftware.htmlunit.SubmitMethod;
53 import com.gargoylesoftware.htmlunit.WebClient;
54 import com.gargoylesoftware.htmlunit.WebRequestSettings;
55
56
63 public class GetPageTag extends HtmlUnitTagSupport {
64 private String url_ = null;
65 private List parameters_ = null;
66 private String method_ = "get";
67 private String webClientName_;
68
69
72 public GetPageTag() {
73 }
74
75
76
81 public void doTag(final XMLOutput xmlOutput) throws JellyTagException {
82 invokeBody(xmlOutput);
83
84 final JellyContext jellyContext = getContext();
85
86 final WebClient webClient;
87 if( webClientName_ != null ) {
88 webClient = (WebClient)jellyContext.getVariable(webClientName_);
89 if( webClient == null ) {
90 throw new JellyTagException("No webclient found for name ["+webClientName_+"]");
91 }
92 }
93 else {
94 webClient = getWebClient();
95 }
96
97 final Page page;
98 try {
99 final WebRequestSettings settings = new WebRequestSettings(getUrl(), getSubmitMethod());
100 settings.setRequestParameters(getParameters());
101 page = webClient.getPage(settings);
102 jellyContext.setVariable( getVarValueOrDie(), page );
103 }
104 catch( final IOException e ) {
105 throw new JellyTagException(e);
106 }
107 }
108
109
110
114 public void setUri( final String url ) {
115 url_ = url;
116 }
117
118
119
124 public URL getUrl() throws JellyTagException {
125 if( url_ == null ) {
126 throw new JellyTagException("url attribute is mandatory");
127 }
128
129 try {
130 return new URL (url_);
131 }
132 catch( final MalformedURLException e ) {
133 throw new JellyTagException("url attribute is malformed: "+url_);
134 }
135 }
136
137
138
142 public synchronized void addParameter( final String parameter ) {
143 if( parameters_ == null ) {
144 parameters_ = new ArrayList ();
145 }
146 parameters_.add(parameter);
147 }
148
149
150
154 public synchronized List getParameters() {
155 if( parameters_ == null ) {
156 return Collections.EMPTY_LIST;
157 }
158 else {
159 return parameters_;
160 }
161 }
162
163
164
168 public void setMethod( final String method ) {
169 method_ = method;
170 }
171
172
173
177 public void setWebclient( final String webClientName ) {
178 webClientName_ = webClientName;
179 }
180
181
182
187 public SubmitMethod getSubmitMethod() throws JellyTagException {
188 try {
189 return SubmitMethod.getInstance(method_);
190 }
191 catch( final IllegalArgumentException e ) {
192 throw new JellyTagException("Value of method attribute is not a valid submit method: "+method_);
194 }
195 }
196 }
197 |
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