| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.myfaces.tobago.internal.webapp; |
| |
| import org.apache.myfaces.tobago.component.Attributes; |
| import org.apache.myfaces.tobago.internal.util.FastStringWriter; |
| import org.apache.myfaces.tobago.internal.util.HtmlWriterUtils; |
| import org.apache.myfaces.tobago.internal.util.JsonWriterUtils; |
| import org.apache.myfaces.tobago.internal.util.StringUtils; |
| import org.apache.myfaces.tobago.internal.util.WriterUtils; |
| import org.apache.myfaces.tobago.renderkit.css.Style; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes; |
| import org.apache.myfaces.tobago.renderkit.html.HtmlElements; |
| |
| import javax.faces.component.UIComponent; |
| import javax.faces.context.ResponseWriter; |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.util.Arrays; |
| import java.util.Map; |
| |
| public class HtmlResponseWriter extends TobagoResponseWriterBase { |
| |
| private static final String HTML_DOCTYPE = |
| "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">"; |
| |
| private final WriterUtils helper; |
| private FastStringWriter javascriptWriter; |
| private boolean javascriptMode; |
| |
| public HtmlResponseWriter( |
| final Writer writer, final String contentType, final String characterEncoding) { |
| super(writer, contentType, characterEncoding); |
| if ("application/json".equals(contentType)) { |
| this.helper = new JsonWriterUtils(writer, characterEncoding); |
| } else { |
| this.helper = new HtmlWriterUtils(writer, characterEncoding); |
| } |
| this.javascriptWriter = new FastStringWriter(); |
| } |
| |
| /** |
| * @deprecated Should not be used, because it conflicts with CSP. |
| */ |
| @Deprecated |
| @Override |
| public void endJavascript() throws IOException { |
| javascriptMode = false; |
| } |
| |
| /** |
| * @deprecated Should not be used, because it conflicts with CSP. |
| */ |
| @Deprecated |
| @Override |
| public void startJavascript() throws IOException { |
| javascriptMode = true; |
| } |
| |
| @Override |
| public void write(final String string) throws IOException { |
| if (javascriptMode) { |
| writeJavascript(string); |
| } else { |
| writeInternal(getWriter(), string); |
| } |
| } |
| |
| /** |
| * @deprecated Should not be used, because it conflicts with CSP. |
| */ |
| @Deprecated |
| @Override |
| public void writeJavascript(final String script) throws IOException { |
| writeInternal(javascriptWriter, script); |
| } |
| |
| public String getJavascript() { |
| return javascriptWriter.toString(); |
| } |
| |
| public final WriterUtils getHelper() { |
| return helper; |
| } |
| |
| public void writeText(final Object text, final String property) |
| throws IOException { |
| closeOpenTag(); |
| final String value = findValue(text, property); |
| helper.writeText(value); |
| } |
| |
| public void writeText(final char[] text, final int offset, final int length) |
| throws IOException { |
| closeOpenTag(); |
| helper.writeText(text, offset, length); |
| } |
| |
| @Override |
| public void write(final char[] cbuf, final int off, final int len) throws IOException { |
| // Related to http://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-696 |
| if (Arrays.equals(cbuf, XML_VERSION_1_0_ENCODING_UTF_8_CHARS)) { |
| // drop |
| } else { |
| super.write(cbuf, off, len); |
| } |
| } |
| |
| @Override |
| protected final void closeEmptyTag() throws IOException { |
| getWriter().write("\n>"); |
| } |
| |
| @Override |
| protected void writerAttributeValue(final String value, final boolean escape) throws IOException { |
| if (escape) { |
| helper.writeAttributeValue(value); |
| } else { |
| getWriter().write(value); |
| } |
| } |
| |
| public ResponseWriter cloneWithWriter(final Writer originalWriter) { |
| return new HtmlResponseWriter( |
| originalWriter, getContentType(), getCharacterEncoding()); |
| } |
| |
| /** |
| * @deprecated xxx |
| */ |
| @Deprecated |
| public static Style ensureHtmlStyleMap(final UIComponent component, final Style styles) { |
| Style result = styles; |
| if (styles == null) { |
| result = new Style(); |
| ((Map<String, Object>) component.getAttributes()).put(Attributes.STYLE, result); |
| } |
| return result; |
| } |
| |
| @Override |
| public void startDocument() throws IOException { |
| getWriter().write(HTML_DOCTYPE); |
| getWriter().write('\n'); |
| startElement(HtmlElements.HTML, null); |
| } |
| |
| @Override |
| public void endElement(final String name) throws IOException { |
| if (HtmlElements.BODY.equals(name)) { |
| final String javascript = getJavascript(); |
| if (StringUtils.isNotEmpty(javascript)) { |
| startElement(HtmlElements.SCRIPT, null); |
| writeAttribute(HtmlAttributes.TYPE, "text/javascript", false); |
| write(getJavascript()); |
| super.endElement(HtmlElements.SCRIPT); |
| } |
| } |
| super.endElement(name); |
| } |
| |
| @Override |
| public void endDocument() throws IOException { |
| |
| endElement(HtmlElements.HTML); |
| } |
| } |
