com.caucho.jsp.java.JstlFmtMessage Maven / Gradle / Ivy
/*
* Copyright (c) 1998-2018 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jsp.java;
import com.caucho.jsp.JspParseException;
import com.caucho.vfs.WriteStream;
import com.caucho.xml.QName;
import java.io.IOException;
import java.util.ArrayList;
public class JstlFmtMessage extends JstlNode {
private static final QName KEY = new QName("key");
private static final QName BUNDLE = new QName("bundle");
private static final QName VAR = new QName("var");
private static final QName SCOPE = new QName("scope");
private String _key;
private JspAttribute _keyAttr;
private String _bundle;
private JspAttribute _bundleAttr;
private String _var;
private String _scope;
private ArrayList _params = new ArrayList();
/**
* Adds an attribute.
*/
public void addAttribute(QName name, String value)
throws JspParseException
{
if (KEY.equals(name))
_key = value;
else if (BUNDLE.equals(name))
_bundle = value;
else if (VAR.equals(name))
_var = value;
else if (SCOPE.equals(name))
_scope = value;
else
throw error(L.l("`{0}' is an unknown attribute for <{1}>.",
name.getName(), getTagName()));
}
/**
* Adds an attribute.
*/
public void addAttribute(QName name, JspAttribute value)
throws JspParseException
{
if (KEY.equals(name))
_keyAttr = value;
else if (BUNDLE.equals(name))
_bundleAttr = value;
else
throw error(L.l("`{0}' is an unsupported jsp:attribute for <{1}>.",
name.getName(), getTagName()));
}
/**
* Adds a child element.
*/
public void addChild(JspNode node)
throws JspParseException
{
if (node instanceof JstlFmtParam)
_params.add((JstlFmtParam) node);
else
super.addChild(node);
}
@Override
public boolean hasCustomTag()
{
if (super.hasCustomTag())
return true;
for (JstlFmtParam param : _params) {
if (param.hasCustomTag())
return true;
}
return false;
}
/**
* Generates the XML text representation for the tag validation.
*
* @param os write stream to the generated XML.
*/
public void printXml(WriteStream os)
throws IOException
{
String prefix = printXmlOpen(os, JSTL_FMT_NS, "message");
if (_key != null) {
os.print(" key=\"" + xmlText(_key) + "\"");
}
if (_bundle != null)
os.print(" bundle=\"" + xmlText(_bundle) + "\"");
if (_var != null)
os.print(" var=\"" + _var + "\"");
if (_scope != null)
os.print(" scope=\"" + _scope + "\"");
os.print(">");
for (int i = 0; i < _params.size(); i++)
_params.get(i).printXml(os);
printXmlChildren(os);
os.print("");
}
/**
* Generates the code for the fmt:message tag.
*/
@Override
public void generatePrologue(JspJavaWriter out)
throws Exception
{
for (int i = 0; i < _params.size(); i++) {
_params.get(i).generatePrologue(out);
}
}
/**
* Generates the code for the fmt:message tag.
*/
@Override
public void generateTagState(JspJavaWriter out)
throws Exception
{
for (int i = 0; i < _params.size(); i++) {
_params.get(i).generateTagState(out);
}
}
/**
* Generates the code for the fmt:message tag.
*/
public void generate(JspJavaWriter out)
throws Exception
{
String keyExpr = null;
if (_key != null) {
keyExpr = generateValue(String.class, _key);
}
else if (_keyAttr != null) {
keyExpr = _keyAttr.generateValue();
}
else if (isChildrenStatic()) {
keyExpr = '"' + escapeJavaString(getStaticText().trim()) + '"';
}
else {
out.println("out = pageContext.pushBody();");
generateChildren(out);
keyExpr = "_caucho_var_" + _gen.uniqueId();
out.println("String " + keyExpr + " = ((com.caucho.jsp.BodyContentImpl) out).getTrimString();");
out.println("out = pageContext.popBody();");
}
// see if there's a fmt:bundle with a prefix
String prefix = "";
JspNode node;
// jsp/1c51, jsp/1c54
/*
for (node = getParent(); node != null; node = node.getParent()) {
if (node instanceof JstlFmtBundle) {
prefix = ((JstlFmtBundle) node).getPrefixCode();
break;
}
}
*/
String paramVar = "null";
if (_params.size() > 0) {
paramVar = "_caucho_param_" + _gen.uniqueId();
out.println("Object []" + paramVar + " = new Object[" + _params.size() + "];");
for (int i = 0; i < _params.size(); i++) {
JstlFmtParam param = _params.get(i);
param.generateSet(out, paramVar + "[" + i + "]");
/*
String value = param.getAttribute("value");
if (! value.equals("")) {
int paramIndex = _gen.addExpr(value);
out.println(paramVar + "[" + i + "] = _caucho_expr_" + paramIndex + ".evalObject(pageContext);");
}
else {
out.println("out = pageContext.pushBody();");
_gen.generateChildren(param.getFirstChild());
out.println(paramVar + "[" + i + "] = ((com.caucho.jsp.BodyContentImpl) out).getTrimString();");
out.println("out = pageContext.popBody();");
}
*/
}
}
String locObjVar = "_caucho_loc_object_" + _gen.uniqueId();
out.println("Object " + locObjVar + ";");
if (_bundleAttr != null) {
out.println(locObjVar + " = " + _bundleAttr.generateValue() + ";");
} else if (_bundle != null) {
out.println(locObjVar + " = " + generateValue(Object.class, _bundle) + ";");
} else {
out.println(locObjVar + " = " + "(javax.servlet.jsp.jstl.fmt.LocalizationContext) pageContext.getAttribute(\"caucho.bundle\");");
}
String locCtxVar = "_caucho_loc_ctx_" + _gen.uniqueId();
out.println("javax.servlet.jsp.jstl.fmt.LocalizationContext " + locCtxVar + ";");
out.println("if (" + locObjVar + " instanceof javax.servlet.jsp.jstl.fmt.LocalizationContext)");
out.pushDepth();
out.println(locCtxVar + " = (javax.servlet.jsp.jstl.fmt.LocalizationContext)" + locObjVar + ";");
out.popDepth();
out.println(" else if (" + locObjVar + " instanceof String)");
out.pushDepth();
out.println(locCtxVar + " = pageContext.getBundle((String)" + locObjVar + ");");
out.popDepth();
out.println("else");
out.pushDepth();
out.println(locCtxVar + " = null;");
out.popDepth();
out.println();
String messageVar = "_caucho_message_" + _gen.uniqueId();
out.println("String " + messageVar + ";");
out.println("if (" + locCtxVar + " != null) {");
out.pushDepth();
String localeVar = "_caucho_locale_" + _gen.uniqueId();
out.println("java.util.Locale " + localeVar + "= " + locCtxVar + ".getLocale();");
out.println("if (" + localeVar + " != null)");
out.pushDepth();
out.println("com.caucho.jstl.rt.I18NSupport.setResponseLocale(pageContext, " + localeVar + ");");
out.popDepth();
out.println(messageVar + " = " + "pageContext.getLocalizedMessage(" +
locCtxVar + ", " + prefix + keyExpr + ", " + paramVar + ", null);");
out.popDepth();
out.println("}");
out.println("else {");
out.pushDepth();
out.println(messageVar + " = " + "pageContext.getLocalizedMessage(null, "
+ prefix + keyExpr + ", " + paramVar + ", null);");
out.popDepth();
out.println("}");
out.println();
if (_var != null) {
generateSetOrRemove(out, _var, _scope, messageVar);
} else {
out.println("out.print(" + messageVar + ");");
}
/*
if (_var != null) {
String value;
if (_bundleAttr != null) {
value = ("pageContext.getLocalizedMessage(" +
_bundleAttr.generateValue() + ", " +
prefix + keyExpr + ", " + paramVar + ", null)");
}
else if (_bundle != null) {
String bundleExpr = generateValue(Object.class, _bundle);
value = ("pageContext.getLocalizedMessage(" + bundleExpr + ", " +
prefix + keyExpr + ", " + paramVar + ", null)");
}
else
value = ("pageContext.getLocalizedMessage(null, " + prefix + keyExpr + ", " +
paramVar + ", null)");
generateSetOrRemove(out, _var, _scope, value);
}
else {
if (_bundleAttr != null) {
String bundleExpr = _bundleAttr.generateValue();
out.println("out.print(pageContext.getLocalizedMessage(" + bundleExpr + ", " + prefix + keyExpr + ", " + paramVar + ", null));");
}
else if (_bundle != null) {
String bundleExpr = generateValue(Object.class, _bundle);
out.println("out.print(pageContext.getLocalizedMessage(" + bundleExpr + ", " + prefix + keyExpr + ", " + paramVar + ", null));");
}
else
out.println("out.print(pageContext.getLocalizedMessage(null, " + prefix + keyExpr + ", " + paramVar + ", null));");
}
*/
}
}
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