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package org.apache.tapestry.services.impl; |
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import org.apache.hivemind.Resource; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.*; |
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import org.apache.tapestry.asset.AssetFactory; |
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import org.apache.tapestry.engine.NullWriter; |
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import org.apache.tapestry.markup.MarkupWriterSource; |
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import org.apache.tapestry.markup.NestedMarkupWriterImpl; |
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import org.apache.tapestry.services.RequestLocaleManager; |
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import org.apache.tapestry.services.ResponseBuilder; |
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import org.apache.tapestry.services.ServiceConstants; |
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import org.apache.tapestry.util.ContentType; |
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import org.apache.tapestry.util.PageRenderSupportImpl; |
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import org.apache.tapestry.web.WebResponse; |
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import java.io.IOException; |
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import java.io.PrintWriter; |
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import java.util.*; |
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public class PrototypeResponseBuilder implements ResponseBuilder { |
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public static final String CONTENT_TYPE = "text/html"; |
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private final AssetFactory _assetFactory; |
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private final String _namespace; |
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private PageRenderSupportImpl _prs; |
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private RequestLocaleManager _localeManager; |
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private MarkupWriterSource _markupWriterSource; |
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private WebResponse _response; |
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private IMarkupWriter _writer; |
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|
44 | 0 | private List _parts = new ArrayList(); |
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|
48 | 0 | private Map _writers = new HashMap(); |
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private IRequestCycle _cycle; |
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public PrototypeResponseBuilder(IRequestCycle cycle, IMarkupWriter writer, List parts) |
59 | 0 | { |
60 | 0 | _cycle = cycle; |
61 | 0 | _writer = writer; |
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|
63 | 0 | if (parts != null) |
64 | 0 | _parts.addAll(parts); |
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|
66 | 0 | _assetFactory = null; |
67 | 0 | _namespace = null; |
68 | 0 | } |
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public PrototypeResponseBuilder(IRequestCycle cycle, |
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RequestLocaleManager localeManager, |
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MarkupWriterSource markupWriterSource, |
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WebResponse webResponse, |
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AssetFactory assetFactory, String namespace) |
92 | 0 | { |
93 | 0 | Defense.notNull(cycle, "cycle"); |
94 | 0 | Defense.notNull(assetFactory, "assetService"); |
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|
96 | 0 | _cycle = cycle; |
97 | 0 | _localeManager = localeManager; |
98 | 0 | _markupWriterSource = markupWriterSource; |
99 | 0 | _response = webResponse; |
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|
103 | 0 | _assetFactory = assetFactory; |
104 | 0 | _namespace = namespace; |
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|
106 | 0 | _prs = new PageRenderSupportImpl(_assetFactory, _namespace, this, cycle); |
107 | 0 | } |
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public boolean isDynamic() |
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{ |
115 | 0 | return true; |
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} |
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public void renderResponse(IRequestCycle cycle) |
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throws IOException |
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{ |
124 | 0 | _localeManager.persistLocale(); |
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|
126 | 0 | ContentType contentType = new ContentType(CONTENT_TYPE + ";charset=" + cycle.getInfrastructure().getOutputEncoding()); |
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|
128 | 0 | String encoding = contentType.getParameter(ENCODING_KEY); |
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|
130 | 0 | if (encoding == null) |
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{ |
132 | 0 | encoding = cycle.getEngine().getOutputEncoding(); |
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|
134 | 0 | contentType.setParameter(ENCODING_KEY, encoding); |
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} |
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|
137 | 0 | if (_writer == null) |
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{ |
139 | 0 | parseParameters(cycle); |
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|
141 | 0 | PrintWriter printWriter = _response.getPrintWriter(contentType); |
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|
143 | 0 | _writer = _markupWriterSource.newMarkupWriter(printWriter, contentType); |
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} |
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148 | 0 | TapestryUtils.storePageRenderSupport(cycle, _prs); |
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150 | 0 | cycle.renderPage(this); |
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152 | 0 | TapestryUtils.removePageRenderSupport(cycle); |
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154 | 0 | endResponse(); |
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156 | 0 | _writer.close(); |
157 | 0 | } |
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public void flush() |
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throws IOException |
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{ |
162 | 0 | _writer.flush(); |
163 | 0 | } |
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public void updateComponent(String id) |
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{ |
170 | 0 | if (!_parts.contains(id)) |
171 | 0 | _parts.add(id); |
172 | 0 | } |
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public IMarkupWriter getWriter() |
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{ |
179 | 0 | return _writer; |
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} |
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void setWriter(IMarkupWriter writer) |
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{ |
184 | 0 | _writer = writer; |
185 | 0 | } |
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public boolean isBodyScriptAllowed(IComponent target) |
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{ |
192 | 0 | if (target != null |
193 | 0 | && IPage.class.isInstance(target) |
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|| (IForm.class.isInstance(target) |
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&& ((IForm)target).isFormFieldUpdating())) |
196 | 0 | return true; |
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|
198 | 0 | return contains(target); |
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} |
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public boolean isExternalScriptAllowed(IComponent target) |
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{ |
206 | 0 | if (target != null |
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&& IPage.class.isInstance(target) |
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|| (IForm.class.isInstance(target) |
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&& ((IForm)target).isFormFieldUpdating())) |
210 | 0 | return true; |
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|
212 | 0 | return contains(target); |
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} |
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public boolean isInitializationScriptAllowed(IComponent target) |
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{ |
220 | 0 | if (target != null |
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&& IPage.class.isInstance(target) |
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|| (IForm.class.isInstance(target) |
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&& ((IForm)target).isFormFieldUpdating())) |
224 | 0 | return true; |
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226 | 0 | return contains(target); |
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} |
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public boolean isImageInitializationAllowed(IComponent target) |
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{ |
234 | 0 | if (target != null |
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&& IPage.class.isInstance(target) |
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|| (IForm.class.isInstance(target) |
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&& ((IForm)target).isFormFieldUpdating())) |
238 | 0 | return true; |
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|
240 | 0 | return contains(target); |
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} |
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public String getPreloadedImageReference(IComponent target, IAsset source) |
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{ |
248 | 0 | return _prs.getPreloadedImageReference(target, source); |
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} |
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public String getPreloadedImageReference(IComponent target, String url) |
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{ |
256 | 0 | return _prs.getPreloadedImageReference(target, url); |
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} |
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public String getPreloadedImageReference(String url) |
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{ |
264 | 0 | return _prs.getPreloadedImageReference(url); |
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} |
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public void addBodyScript(IComponent target, String script) |
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{ |
272 | 0 | _prs.addBodyScript(target, script); |
273 | 0 | } |
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public void addBodyScript(String script) |
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{ |
280 | 0 | _prs.addBodyScript(script); |
281 | 0 | } |
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public void addExternalScript(IComponent target, Resource resource) |
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{ |
288 | 0 | _prs.addExternalScript(target, resource); |
289 | 0 | } |
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public void addExternalScript(Resource resource) |
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{ |
296 | 0 | _prs.addExternalScript(resource); |
297 | 0 | } |
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public void addInitializationScript(IComponent target, String script) |
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{ |
304 | 0 | _prs.addInitializationScript(target, script); |
305 | 0 | } |
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public void addInitializationScript(String script) |
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{ |
312 | 0 | _prs.addInitializationScript(script); |
313 | 0 | } |
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public void addScriptAfterInitialization(IComponent target, String script) |
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{ |
317 | 0 | _prs.addScriptAfterInitialization(target, script); |
318 | 0 | } |
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public String getUniqueString(String baseValue) |
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{ |
325 | 0 | return _prs.getUniqueString(baseValue); |
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} |
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public void writeBodyScript(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
333 | 0 | _prs.writeBodyScript(writer, cycle); |
334 | 0 | } |
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public void writeInitializationScript(IMarkupWriter writer) |
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{ |
341 | 0 | _prs.writeInitializationScript(writer); |
342 | 0 | } |
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public void beginBodyScript(IMarkupWriter normalWriter, IRequestCycle cycle) |
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{ |
349 | 0 | _writer.begin("script"); |
350 | 0 | _writer.printRaw("\n//<![CDATA[\n"); |
351 | 0 | } |
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public void endBodyScript(IMarkupWriter normalWriter, IRequestCycle cycle) |
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{ |
358 | 0 | _writer.printRaw("\n//]]>\n"); |
359 | 0 | _writer.end(); |
360 | 0 | } |
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public void writeBodyScript(IMarkupWriter normalWriter, String script, IRequestCycle cycle) |
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{ |
367 | 0 | _writer.printRaw(script); |
368 | 0 | } |
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public void writeExternalScript(IMarkupWriter normalWriter, String url, IRequestCycle cycle) |
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{ |
375 | 0 | _writer.begin("script"); |
376 | 0 | _writer.attribute("type", "text/javascript"); |
377 | 0 | _writer.attribute("src", url); |
378 | 0 | _writer.end(); |
379 | 0 | } |
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public void writeImageInitializations(IMarkupWriter normalWriter, String script, String preloadName, IRequestCycle cycle) |
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{ |
386 | 0 | } |
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public void writeInitializationScript(IMarkupWriter normalWriter, String script) |
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{ |
393 | 0 | _writer.begin("script"); |
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|
396 | 0 | _writer.printRaw("\n//<![CDATA[\n"); |
397 | 0 | _writer.printRaw(script); |
398 | 0 | _writer.printRaw("\n//]]>\n"); |
399 | 0 | _writer.end(); |
400 | 0 | } |
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public void addStatus(IMarkupWriter normalWriter, String text) |
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{ |
404 | 0 | throw new UnsupportedOperationException("Can't return a status response with prototype based requests."); |
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} |
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public void addStatusMessage(IMarkupWriter normalWriter, String category, String text) |
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{ |
409 | 0 | throw new UnsupportedOperationException("Can't return a status response with prototype based requests."); |
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} |
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public void render(IMarkupWriter writer, IRender render, IRequestCycle cycle) |
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{ |
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|
419 | 0 | if (NestedMarkupWriterImpl.class.isInstance(writer)) |
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{ |
421 | 0 | render.render(writer, cycle); |
422 | 0 | return; |
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} |
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|
425 | 0 | if (IComponent.class.isInstance(render) |
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&& contains((IComponent)render, ((IComponent)render).peekClientId())) |
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{ |
428 | 0 | render.render(getComponentWriter( ((IComponent)render).peekClientId() ), cycle); |
429 | 0 | return; |
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} |
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|
434 | 0 | render.render(NullWriter.getSharedInstance(), cycle); |
435 | 0 | } |
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IMarkupWriter getComponentWriter(String id) |
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{ |
439 | 0 | return getWriter(id, ELEMENT_TYPE); |
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} |
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public IMarkupWriter getWriter(String id, String type) |
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{ |
448 | 0 | Defense.notNull(id, "id can't be null"); |
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|
450 | 0 | IMarkupWriter w = (IMarkupWriter)_writers.get(id); |
451 | 0 | if (w != null) |
452 | 0 | return w; |
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|
454 | 0 | IMarkupWriter nestedWriter = _writer.getNestedWriter(); |
455 | 0 | _writers.put(id, nestedWriter); |
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|
457 | 0 | return nestedWriter; |
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} |
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void beginResponse() |
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{ |
462 | 0 | } |
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void clearPartialWriters() |
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{ |
470 | 0 | _writers.clear(); |
471 | 0 | } |
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void endResponse() |
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{ |
480 | 0 | Iterator keys = _writers.keySet().iterator(); |
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|
482 | 0 | while (keys.hasNext()) |
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{ |
484 | 0 | String key = (String)keys.next(); |
485 | 0 | NestedMarkupWriter nw = (NestedMarkupWriter)_writers.get(key); |
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|
487 | 0 | nw.close(); |
488 | 0 | } |
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|
490 | 0 | _writer.flush(); |
491 | 0 | } |
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void parseParameters(IRequestCycle cycle) |
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{ |
502 | 0 | Object[] updateParts = cycle.getParameters(ServiceConstants.UPDATE_PARTS); |
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|
504 | 0 | if (updateParts == null) |
505 | 0 | return; |
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|
507 | 0 | for(int i = 0; i < updateParts.length; i++) |
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{ |
509 | 0 | _parts.add(updateParts[i].toString()); |
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} |
511 | 0 | } |
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public boolean contains(IComponent target) |
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{ |
522 | 0 | if (target == null) |
523 | 0 | return false; |
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|
525 | 0 | String id = target.getClientId(); |
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|
527 | 0 | return contains(target, id); |
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} |
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boolean contains(IComponent target, String id) |
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{ |
532 | 0 | if (_parts.contains(id)) |
533 | 0 | return true; |
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|
535 | 0 | Iterator it = _cycle.renderStackIterator(); |
536 | 0 | while (it.hasNext()) |
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{ |
538 | 0 | IComponent comp = (IComponent)it.next(); |
539 | 0 | String compId = comp.getClientId(); |
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|
541 | 0 | if (comp != target && _parts.contains(compId)) |
542 | 0 | return true; |
543 | 0 | } |
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|
545 | 0 | return false; |
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} |
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public boolean explicitlyContains(IComponent target) |
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{ |
553 | 0 | if (target == null) |
554 | 0 | return false; |
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|
556 | 0 | return _parts.contains(target.getId()); |
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} |
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} |