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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.services.RequestLocaleManager; |
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import org.apache.tapestry.services.ResponseBuilder; |
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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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public class DefaultResponseBuilder implements ResponseBuilder |
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{ |
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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 _webResponse; |
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private IMarkupWriter _writer; |
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private boolean _closeWriter = true; |
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public DefaultResponseBuilder(IRequestCycle cycle, IMarkupWriter writer, |
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AssetFactory assetFactory, String namespace, boolean closeWriter) |
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{ |
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_writer = writer; |
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_assetFactory = assetFactory; |
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_namespace = namespace; |
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_closeWriter = closeWriter; |
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_prs = new PageRenderSupportImpl(_assetFactory, _namespace, this, cycle); |
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} |
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public DefaultResponseBuilder(IMarkupWriter writer) |
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{ |
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_writer = writer; |
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_assetFactory = null; |
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_namespace = null; |
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} |
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public DefaultResponseBuilder(IRequestCycle cycle, RequestLocaleManager localeManager, |
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MarkupWriterSource markupWriterSource, WebResponse webResponse, |
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AssetFactory assetFactory, String namespace) |
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{ |
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Defense.notNull(assetFactory, "assetService"); |
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_localeManager = localeManager; |
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_markupWriterSource = markupWriterSource; |
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_webResponse = webResponse; |
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_assetFactory = assetFactory; |
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_namespace = namespace; |
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_prs = new PageRenderSupportImpl(_assetFactory, _namespace, this, cycle); |
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} |
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public boolean isDynamic() |
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{ |
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return false; |
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} |
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public void renderResponse(IRequestCycle cycle) |
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throws IOException |
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{ |
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if (_writer == null) |
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{ |
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_localeManager.persistLocale(); |
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IPage page = cycle.getPage(); |
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ContentType contentType = page.getResponseContentType(); |
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String encoding = contentType.getParameter(ENCODING_KEY); |
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if (encoding == null) |
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{ |
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encoding = cycle.getEngine().getOutputEncoding(); |
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contentType.setParameter(ENCODING_KEY, encoding); |
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} |
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PrintWriter printWriter = _webResponse.getPrintWriter(contentType); |
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_writer = _markupWriterSource.newMarkupWriter(printWriter, contentType); |
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} |
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TapestryUtils.storePageRenderSupport(cycle, _prs); |
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cycle.renderPage(this); |
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TapestryUtils.removePageRenderSupport(cycle); |
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flush(); |
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if (_closeWriter) |
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_writer.close(); |
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} |
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public void flush() |
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throws IOException |
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{ |
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_writer.flush(); |
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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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if (writer == null) |
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render.render(_writer, cycle); |
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else |
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render.render(writer, cycle); |
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} |
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public void updateComponent(String id) |
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{ |
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} |
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public boolean contains(IComponent target) |
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{ |
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return false; |
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} |
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public boolean explicitlyContains(IComponent target) |
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{ |
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return false; |
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} |
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public IMarkupWriter getWriter() |
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{ |
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if (_writer == null) |
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return NullWriter.getSharedInstance(); |
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return _writer; |
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} |
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public IMarkupWriter getWriter(String id, String type) |
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{ |
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if (_writer == null) |
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return NullWriter.getSharedInstance(); |
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return _writer; |
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} |
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public boolean isBodyScriptAllowed(IComponent target) |
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{ |
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return true; |
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} |
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public boolean isExternalScriptAllowed(IComponent target) |
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{ |
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return true; |
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} |
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public boolean isInitializationScriptAllowed(IComponent target) |
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{ |
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return true; |
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} |
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public boolean isImageInitializationAllowed(IComponent target) |
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{ |
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return true; |
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} |
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public String getPreloadedImageReference(IComponent target, IAsset source) |
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{ |
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return _prs.getPreloadedImageReference(target, source); |
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} |
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public String getPreloadedImageReference(IComponent target, String url) |
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{ |
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return _prs.getPreloadedImageReference(target, url); |
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} |
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public String getPreloadedImageReference(String url) |
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{ |
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return _prs.getPreloadedImageReference(url); |
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} |
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public void addBodyScript(IComponent target, String script) |
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{ |
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_prs.addBodyScript(target, script); |
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} |
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public void addBodyScript(String script) |
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{ |
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_prs.addBodyScript(script); |
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} |
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public void addExternalScript(IComponent target, Resource resource) |
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{ |
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_prs.addExternalScript(target, resource); |
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} |
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public void addExternalScript(Resource resource) |
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{ |
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_prs.addExternalScript(resource); |
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} |
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public void addInitializationScript(IComponent target, String script) |
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{ |
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_prs.addInitializationScript(target, script); |
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} |
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public void addInitializationScript(String script) |
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{ |
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_prs.addInitializationScript(script); |
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} |
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public void addScriptAfterInitialization(IComponent target, String script) |
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{ |
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_prs.addScriptAfterInitialization(target, script); |
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} |
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public String getUniqueString(String baseValue) |
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{ |
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return _prs.getUniqueString(baseValue); |
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} |
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public void writeBodyScript(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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_prs.writeBodyScript(writer, cycle); |
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} |
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public void writeInitializationScript(IMarkupWriter writer) |
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{ |
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_prs.writeInitializationScript(writer); |
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} |
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public void beginBodyScript(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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writer.begin("script"); |
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writer.attribute("type", "text/javascript"); |
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writer.printRaw("<!--"); |
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writer.println(); |
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} |
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public void endBodyScript(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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writer.println(); |
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writer.printRaw("// -->"); |
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writer.end(); |
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} |
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public void writeBodyScript(IMarkupWriter writer, String script, IRequestCycle cycle) |
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{ |
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writer.printRaw(script); |
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} |
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public void writeExternalScript(IMarkupWriter writer, String url, IRequestCycle cycle) |
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{ |
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writer.begin("script"); |
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writer.attribute("type", "text/javascript"); |
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writer.attribute("src", url); |
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writer.end(); |
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writer.println(); |
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} |
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public void writeImageInitializations(IMarkupWriter writer, String script, String preloadName, IRequestCycle cycle) |
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{ |
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writer.println(); |
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writer.printRaw("tapestry.addOnLoad(function(e) {\n"); |
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writer.printRaw(preloadName + " = [];\n"); |
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writer.printRaw("if (document.images)\n"); |
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writer.printRaw("{\n"); |
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writer.printRaw(script); |
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writer.printRaw("}\n"); |
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writer.printRaw("});"); |
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} |
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public void writeInitializationScript(IMarkupWriter writer, String script) |
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{ |
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writer.begin("script"); |
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writer.attribute("type", "text/javascript"); |
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writer.printRaw("<!--\n"); |
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writer.printRaw("tapestry.addOnLoad(function(e) {\n"); |
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writer.printRaw(script); |
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writer.printRaw("});"); |
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writer.printRaw("\n// -->"); |
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writer.end(); |
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} |
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public void addStatusMessage(IMarkupWriter normalWriter, String category, String text) |
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{ |
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} |
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} |