/*
* Copyright (c) 1998-2010 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.cfg;
import com.caucho.config.Config;
import com.caucho.config.ConfigException;
import com.caucho.config.DependencyBean;
import com.caucho.jsp.JspLineParseException;
import com.caucho.jsp.JspParseException;
import com.caucho.util.L10N;
import com.caucho.vfs.Dependency;
import com.caucho.vfs.PersistentDependency;
import javax.servlet.jsp.tagext.SimpleTag;
import javax.servlet.jsp.tagext.Tag;
import javax.servlet.jsp.tagext.TagAttributeInfo;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.TagVariableInfo;
import javax.servlet.jsp.tagext.VariableInfo;
import java.util.ArrayList;
import java.util.logging.Logger;
/**
* Configuration for the taglib tag in the .tld
*/
public class TldTag implements DependencyBean {
private final static L10N L = new L10N(TldTag.class);
private final static Logger log
= Logger.getLogger(TldTag.class.getName());
private TldTaglib _taglib;
private String _name;
private String _tagClassName;
private String _teiClassName;
private String _bodyContent;
private String _displayName;
private String _info;
private String _smallIcon;
private String _largeIcon;
private String _description;
private ArrayList<TagVariableInfo> _variableList =
new ArrayList<TagVariableInfo>();
private ArrayList<TagAttributeInfo> _attributeList =
new ArrayList<TagAttributeInfo>();
private ArrayList<TldFragmentAttribute> _fragmentAttributeList =
new ArrayList<TldFragmentAttribute>();
private boolean _dynamicAttributes;
private String _dynamicAttributeName;
private String _example;
private String _configLocation;
private JspParseException _configException;
private ArrayList<Dependency> _dependencyList
= new ArrayList<Dependency>();
private TldTag _baseTag;
TldTag(TldTaglib taglib)
{
_taglib = taglib;
}
public TldTag()
{
}
/**
* Sets the config location.
*/
public void setConfigLocation(String filename, int line)
{
_configLocation = filename + ":" + line + ": ";
}
/**
* Adds a dependency.
*/
public void addDependency(PersistentDependency dependency)
{
_dependencyList.add(dependency);
}
/**
* Returns the dependency.
*/
public ArrayList<Dependency> getDependencyList()
{
return _dependencyList;
}
/**
* Sets the tag name, i.e. the local name.
*/
public void setName(String name)
{
_name = name;
}
/**
* Gets the tag name, i.e. the local name.
*/
public String getName()
{
return _name;
}
/**
* Sets the icon.
*/
public void setIcon(com.caucho.config.types.Icon icon)
{
if (icon != null) {
_smallIcon = icon.getSmallIcon();
_largeIcon = icon.getLargeIcon();
}
}
/**
* Sets the tag class
*/
public void setTagClass(String tagClassName)
throws ConfigException
{
_tagClassName = tagClassName;
Class tagClass = null;
try {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
tagClass = Class.forName(tagClassName, false, loader);
Config.checkCanInstantiate(tagClass);
} catch (ConfigException e) {
throw e;
} catch (Throwable e) {
log.warning(_configLocation + e);
if (_configException == null)
_configException = new JspLineParseException(_configLocation + e);
return;
}
if (! Tag.class.isAssignableFrom(tagClass)
&& ! SimpleTag.class.isAssignableFrom(tagClass))
throw new ConfigException(L.l("{0} must either implement Tag or SimpleTag.",
tagClass.getName()));
}
/**
* Sets the tei class
*/
public void setTagclass(String tagClassName)
throws ConfigException, InstantiationException, IllegalAccessException
{
setTagClass(tagClassName);
}
/**
* Gets the tag class
*/
public Class getTagClass()
{
try {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
return Class.forName(_tagClassName, false, loader);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
/**
* Gets the tag class
*/
public String getTagClassName()
{
return _tagClassName;
}
/**
* Sets the tei class
*/
public void setTeiClass(String teiClassName)
throws ConfigException
{
_teiClassName = teiClassName;
try {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class teiClass = Class.forName(teiClassName, false, loader);
Config.validate(teiClass, TagExtraInfo.class);
} catch (ConfigException e) {
throw e;
} catch (Throwable e) {
log.warning(_configLocation + e);
if (_configException == null)
_configException = new JspParseException(_configLocation + e);
return;
}
}
/**
* Old-style setting of the tei class
*/
public void setTeiclass(String teiClassName)
throws ConfigException
{
setTeiClass(teiClassName);
}
/**
* Gets the tei class
*/
public String getTeiClassName()
{
return _teiClassName;
}
/**
* Gets the tei object
*/
public TagExtraInfo getTagExtraInfo()
{
try {
if (_teiClassName == null)
return null;
else {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
Class teiClass = Class.forName(_teiClassName, false, loader);
return (TagExtraInfo) teiClass.newInstance();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Sets the body-content
*/
public void setBodyContent(String bodyContent)
{
_bodyContent = bodyContent;
}
/**
* Sets the bodycontent (backwards compat)
*/
public void setBodycontent(String bodyContent)
{
setBodyContent(bodyContent);
}
/**
* Gets the body-content
*/
public String getBodyContent()
{
return _bodyContent;
}
/**
* Sets the display-name
*/
public void setDisplayName(String displayName)
{
_displayName = displayName;
}
/**
* Gets the display-name
*/
public String getDisplayName()
{
return _displayName;
}
/**
* Sets the info
*/
public void setInfo(String info)
{
_info = info;
}
/**
* Gets the info
*/
public String getInfo()
{
return _info;
}
/**
* Sets the small-icon
*/
public void setSmallIcon(String smallIcon)
{
_smallIcon = smallIcon;
}
/**
* Gets the small-icon
*/
public String getSmallIcon()
{
return _smallIcon;
}
/**
* Sets the large-icon
*/
public void setLargeIcon(String largeIcon)
{
_largeIcon = largeIcon;
}
/**
* Gets the large-icon
*/
public String getLargeIcon()
{
return _largeIcon;
}
/**
* Sets the description
*/
public void setDescription(String description)
{
_description = description;
}
/**
* Gets the description
*/
public String getDescription()
{
return _description;
}
/**
* Adds a variable.
*/
public void addVariable(TldVariable variable)
throws ConfigException
{
TagVariableInfo varInfo;
String scopeName = variable.getScope();
int scope;
if (scopeName == null)
scope = VariableInfo.NESTED;
else if (scopeName.equals("NESTED"))
scope = VariableInfo.NESTED;
else if (scopeName.equals("AT_BEGIN"))
scope = VariableInfo.AT_BEGIN;
else if (scopeName.equals("AT_END"))
scope = VariableInfo.AT_END;
else
throw new ConfigException(L.l("{0} expects a valid scope at `{1}'",
variable.getNameGiven(), scopeName));
varInfo = new TagVariableInfo(variable.getNameGiven(),
variable.getNameFromAttribute(),
variable.getVariableClass(),
variable.getDeclare(),
scope);
_variableList.add(varInfo);
}
/**
* Gets the variables
*/
public ArrayList<TagVariableInfo> getVariableList()
{
return _variableList;
}
/**
* Returns the variables.
*/
public TagVariableInfo []getVariables()
{
TagVariableInfo []variables;
variables = new TagVariableInfo[_variableList.size()];
return _variableList.toArray(variables);
}
/**
* Adds an attribute.
*/
public void addAttribute(TldAttribute attribute)
{
TagAttributeInfo attrInfo;
if (attribute.getDeferredValue() != null
&& _taglib != null
&& _taglib.getJspVersion() != null
&& _taglib.getJspVersion().compareTo("2.1") < 0) {
// jsp/18u9
throw new ConfigException(L.l("<deferred-value> for tag '{0}' requires a taglib with jsp-version 2.1 or later",
getName()));
}
Class type = attribute.getType();
attrInfo = new TagAttributeInfo(attribute.getName(),
attribute.getRequired(),
type == null ? null : type.getName(),
attribute.getRtexprvalue(),
attribute.isFragment(),
attribute.getDescription(),
attribute.getDeferredValue() != null,
attribute.getDeferredMethod() != null,
attribute.getExpectedType(),
attribute.getDeferredMethodSignature());
_attributeList.add(attrInfo);
}
/**
* Gets the attributes
*/
public ArrayList getAttributeList()
{
return _attributeList;
}
/**
* Returns the attributes.
*/
public TagAttributeInfo []getAttributes()
{
TagAttributeInfo []attributes;
attributes = new TagAttributeInfo[_attributeList.size()];
return (TagAttributeInfo []) _attributeList.toArray(attributes);
}
/**
* Adds an fragmentAttribute.
*/
public void addFragmentAttribute(TldFragmentAttribute attribute)
{
_fragmentAttributeList.add(attribute);
}
/**
* Returns the attributes.
*/
public ArrayList getFragmentAttributes()
{
return _fragmentAttributeList;
}
/**
* Sets the example
*/
public void setExample(String example)
{
_example = example;
}
/**
* Gets the dynamic-attributes
*/
public boolean getDynamicAttributes()
{
return _dynamicAttributes;
}
/**
* Sets the dynamic-attributes
*/
public void setDynamicAttributes(boolean dynamicAttributes)
{
_dynamicAttributes = dynamicAttributes;
}
/**
* Gets the dynamic-attrisavesavebutes
*/
public String getDynamicAttributeName()
{
return _dynamicAttributeName;
}
/**
* Sets the dynamic-attributes
*/
public void setDynamicAttributeName(String name)
{
_dynamicAttributeName = name;
}
/**
* Gets the example
*/
public String getExample()
{
return _example;
}
/**
* validates.
*/
public void validate()
throws JspParseException
{
if (_configException != null)
throw _configException;
}
public int hashCode()
{
return _name.hashCode();
}
public boolean equals(Object o)
{
if (this == o)
return true;
else if (! (o instanceof TldTag))
return false;
TldTag tag = (TldTag) o;
return _name.equals(tag._name);
}
public void setBaseTag(TldTag tag)
{
if (tag == this)
throw new IllegalStateException();
_baseTag = tag;
}
public TldTag getBaseTag()
{
return _baseTag;
}
public String toString()
{
return getClass().getName() + "[" + getName() + "]";
}
}