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libreccm-legacy
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Added methods for creating instances of TransformerFactory, DocumentBuilder and SAXParser using the newInstance(String classname, ClassLoader loader) methods of these classes. 

git-svn-id: https://svn.libreccm.org/ccm/trunk@2892 8810af33-2d31-482b-a856-94f89814c4df
master
jensp 2014-09-29 12:18:58 +00:00
parent 64b928f46e
commit 19e8d52464
1 changed files with 121 additions and 64 deletions
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185
ccm-core/src/com/arsdigita/xml/XMLConfig.java
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@ -22,6 +22,8 @@ import com.arsdigita.runtime.AbstractConfig;
import com.arsdigita.util.parameter.Parameter;
import com.arsdigita.util.parameter.BooleanParameter;
import com.arsdigita.util.parameter.StringParameter;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.TransformerFactory;
import org.apache.log4j.Logger;
@ -29,22 +31,23 @@ import org.apache.log4j.Logger;
/**
* Stores the configuration record for the XML functionality.
*
* Most important: Configuration of the XML factories:
* - Document Builder
* - Sax Parser
* - XSL Transformer
* Most important: Configuration of the XML factories: - Document Builder - Sax Parser - XSL
* Transformer
*
* @version $Id: XMLConfig.java 1393 2006-11-28 09:12:32Z sskracic $
*/
public final class XMLConfig extends AbstractConfig {
/** Internal logger instance to faciliate debugging. Enable logging output
* by editing /WEB-INF/conf/log4j.properties int hte runtime environment
* and set com.arsdigita.xml.XMLConfig=DEBUG by uncommenting
* or adding the line. */
/**
* Internal logger instance to faciliate debugging. Enable logging output by editing
* /WEB-INF/conf/log4j.properties int hte runtime environment and set
* com.arsdigita.xml.XMLConfig=DEBUG by uncommenting or adding the line.
*/
private static final Logger s_log = Logger.getLogger(XMLConfig.class);
/** Private instance of this class to be returned after initialization. */
/**
* Private instance of this class to be returned after initialization.
*/
private static XMLConfig s_config;
/**
@ -62,37 +65,35 @@ public final class XMLConfig extends AbstractConfig {
return s_config;
}
// supported XSL transformer implementations
private static final String RESIN =
"com.caucho.xsl.Xsl";
private static final String SAXON =
"com.icl.saxon.TransformerFactoryImpl";
private static final String SAXON_HE =
"net.sf.saxon.TransformerFactoryImpl";
private static final String XALAN =
"org.apache.xalan.processor.TransformerFactoryImpl";
private static final String XSLTC =
"org.apache.xalan.xsltc.trax.TransformerFactoryImpl";
private static final String RESIN
= "com.caucho.xsl.Xsl";
private static final String SAXON
= "com.icl.saxon.TransformerFactoryImpl";
private static final String SAXON_HE
= "net.sf.saxon.TransformerFactoryImpl";
private static final String XALAN
= "org.apache.xalan.processor.TransformerFactoryImpl";
private static final String XSLTC
= "org.apache.xalan.xsltc.trax.TransformerFactoryImpl";
// supported documentBuilder implementations
private static final String DOM_XERCES =
"org.apache.xerces.jaxp.DocumentBuilderFactoryImpl";
private static final String DOM_RESIN =
"com.caucho.xml.parsers.XmlDocumentBuilderFactory";
private static final String DOM_XERCES
= "org.apache.xerces.jaxp.DocumentBuilderFactoryImpl";
private static final String DOM_RESIN
= "com.caucho.xml.parsers.XmlDocumentBuilderFactory";
// supported SAX parser implementations
private static final String SAX_XERCES =
"org.apache.xerces.jaxp.SAXParserFactoryImpl";
private static final String SAX_RESIN =
"com.caucho.xml.parsers.XmlSAXParserFactory";
private static final String SAX_XERCES
= "org.apache.xerces.jaxp.SAXParserFactoryImpl";
private static final String SAX_RESIN
= "com.caucho.xml.parsers.XmlSAXParserFactory";
private final Parameter m_xfmr = new StringParameter(
"waf.xml.xsl_transformer",
"waf.xml.xsl_transformer",
Parameter.REQUIRED, "saxon");
private final Parameter m_builder = new StringParameter(
"waf.xml.dom_builder",
"waf.xml.dom_builder",
Parameter.REQUIRED, "xerces");
private final Parameter m_parser = new StringParameter(
"waf.xml.sax_parser",
@ -105,13 +106,15 @@ public final class XMLConfig extends AbstractConfig {
/**
* Constructs an empty XMLConfig object following the singelton pattern.
*
* They are meant as a singelton pattern (with private constructor), but
* it does not work with the associated classes AbstractConfig and
* ConfigRegistry because they can currently not deal with a private constructor
* They are meant as a singleton pattern (with private constructor), but it does not work with
* the associated classes AbstractConfig and ConfigRegistry because they can currently not deal
* with a private constructor
*/
// private XMLConfig() {
public XMLConfig() {
super();
register(m_xfmr);
register(m_builder);
register(m_parser);
@ -121,26 +124,25 @@ public final class XMLConfig extends AbstractConfig {
}
/* ************ public getter / setter section ************ */
/**
* Returns the XSL Transformer factory class name to use.
*
*
* The method assures that the return value is a valid class name.
*
* @return String XSL Transformer factory class name
*/
public final String getXSLTransformerFactoryClassname() {
public String getXSLTransformerFactoryClassname() {
String m_key = (String) get(m_xfmr);
String key = (String) get(m_xfmr);
// Defined values: saxon (default)|jd.xslt|resin|xalan|xsltc
if (m_key.toLowerCase().equals("xsltc")) {
if (key.equalsIgnoreCase("xsltc")) {
return XSLTC;
} else if (m_key.toLowerCase().equals("xalan")) {
} else if (key.equalsIgnoreCase("xalan")) {
return XALAN;
} else if (m_key.toLowerCase().equals("resin")) {
} else if (key.equalsIgnoreCase("resin")) {
return RESIN;
} else if (m_key.toLowerCase().equals("saxonhe")) {
} else if (key.equalsIgnoreCase("saxonhe")) {
return SAXON_HE;
} else {
// return defaultValue
@ -149,27 +151,30 @@ public final class XMLConfig extends AbstractConfig {
}
/**
* Returns the XSL Transformer factory class name to use.
*
* The method assures that the return value is a valid class name.
* Returns a new XSL Transformer factory using the configured class.
*
* If the class name returned by {@link #getXSLTransformerFactoryClassname()} is {@code null} or
* empty {@link TransformerFactory#newInstance()} is used, otherwise
* {@link TransformerFactory#newInstance(java.lang.String, java.lang.ClassLoader)} to return the
* configured TransformerFactory
*
* @return String XSL Transformer factory class name
*/
public final TransformerFactory getnewXSLTransformerFactoryInstance() {
public TransformerFactory newXSLTransformerFactoryInstance() {
// Defined values: saxon (default)|jd.xslt|resin|xalan|xsltc
// returns full qualified classname
String classname = getXSLTransformerFactoryClassname();
if (classname.isEmpty()) {
final String classname = getXSLTransformerFactoryClassname();
if (classname == null || classname.isEmpty()) {
//return plattform default
s_log.
warn("XSLTransformerFactory classname is null or empty. Check your configuration.");
return TransformerFactory.newInstance();
} else {
// return configured class
return TransformerFactory.newInstance( classname,
null );
return TransformerFactory.newInstance(classname, null);
}
}
/**
@ -179,18 +184,46 @@ public final class XMLConfig extends AbstractConfig {
*
* @return String Document Builder factory class name
*/
public final String getDOMBuilderFactoryClassname() {
public String getDOMBuilderFactoryClassname() {
String m_key = (String) get(m_builder);
String key = (String) get(m_builder);
// Defined values: xerces (default)|resin
if (m_key.toLowerCase().equals("resin")) {
if (key.equalsIgnoreCase("resin")) {
return DOM_RESIN;
} else {
return DOM_XERCES;
}
}
/**
* Returns a new DocumentBuilder factory using the configured class.
*
* If the class name returned by {@link #getDOMBuilderFactoryClassname() ()} is {@code null} or
* empty {@link DocumentBuilderFactory#newInstance()} is used, otherwise
* {@link DocumentBuilderFactory#newInstance(java.lang.String, java.lang.ClassLoader)} to return
* the configured TransformerFactory
*
* @return String XSL Transformer factory class name
*/
public DocumentBuilderFactory newDocumentBuilderFactoryInstance() {
// Defined values: saxon (default)|jd.xslt|resin|xalan|xsltc
// returns full qualified classname
final String classname = getDOMBuilderFactoryClassname();
if (classname == null || classname.isEmpty()) {
//return plattform default
s_log.warn(
"DocumentBuilderFactory classname is null or empty. Check your configuration.");
return DocumentBuilderFactory.newInstance();
} else {
// return configured class
return DocumentBuilderFactory.newInstance(classname, null);
}
}
/**
* Returns the Sax Parser factory class name to use.
*
@ -198,32 +231,56 @@ public final class XMLConfig extends AbstractConfig {
*
* @return String Sax Parser factory class name
*/
public final String getSAXParserFactoryClassname() {
public String getSAXParserFactoryClassname() {
String m_key = (String) get(m_parser);
final String key = (String) get(m_parser);
// Defined values: xerces (default)|resin
if (m_key.toLowerCase().equals("resin")) {
if (key.equalsIgnoreCase("resin")) {
return SAX_RESIN;
} else {
return SAX_XERCES;
}
}
/**
* Returns a new SAXParser factory using the configured class.
*
* If the class name returned by {@link #getSAXParserFactoryClassname() ()} is {@code null} or
* empty {@link SAXParserFactory#newInstance()} is used, otherwise
* {@link SAXParserFactory#newInstance(java.lang.String, java.lang.ClassLoader)} to return the
* configured TransformerFactory
*
* @return String XSL Transformer factory class name
*/
public SAXParserFactory newSAXParserFactoryInstance() {
final String classname = getSAXParserFactoryClassname();
if (classname == null || classname.isEmpty()) {
s_log.warn("SAXParserFactory classname is null or empty. Check your configuration.");
return SAXParserFactory.newInstance();
} else {
return SAXParserFactory.newInstance(classname, null);
}
}
/**
* Returns the activateFullTimeFormatter flag.
*
* @return
*
* @return
*/
public boolean getActivateFullTimeFormatter() {
return ((Boolean) get(m_activateFullTimeFormatter)).booleanValue();
return (Boolean) get(m_activateFullTimeFormatter);
}
/**
* Sets the activateFullTimeFormatter flag.
*
* @param activateFullTimeFormatter
*/
public void setActivateFullTimeFormatter(boolean activateFullTimeFormatter) {
set(m_activateFullTimeFormatter, new Boolean(activateFullTimeFormatter));
public void setActivateFullTimeFormatter(final boolean activateFullTimeFormatter) {
set(m_activateFullTimeFormatter, activateFullTimeFormatter);
}
}