/*
* 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.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 org.apache.myfaces.tobago.util.FacesVersion;
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(
Writer writer, String contentType, 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();
}
@Override
public void endJavascript() throws IOException {
javascriptMode = false;
}
@Override
public void startJavascript() throws IOException {
javascriptMode = true;
}
@Override
public void write(String string) throws IOException {
if (javascriptMode) {
writeJavascript(string);
} else {
writeInternal(getWriter(), string);
}
}
@Override
public void writeJavascript(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 (!FacesVersion.supports21() && 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(String value, 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
*/
@Deprecated
public static Style ensureHtmlStyleMap(UIComponent component, Style styles) {
if (styles == null) {
styles = new Style();
((Map<String, Object>) component.getAttributes()).put(Attributes.STYLE, styles);
}
return styles;
}
@Override
public void startDocument() throws IOException {
getWriter().write(HTML_DOCTYPE);
getWriter().write('\n');
startElement(HtmlElements.HTML, null);
}
@Override
public void endElement(String name) throws IOException {
if (name == HtmlElements.BODY) {
String javascript = getJavascript();
if (org.apache.commons.lang.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);
}
}