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Posted to dev@tomcat.apache.org by co...@apache.org on 2001/05/04 22:04:34 UTC
cvs commit: jakarta-tomcat/proposals/jasper34/generator/org/apache/jasper34/generator11/util BeanRepository.java JspRuntimeLibrary.java JspUtil.java TagCache.java
costin 01/05/04 13:04:34
Added: proposals/jasper34/generator/org/apache/jasper34/generator11/util
BeanRepository.java JspRuntimeLibrary.java
JspUtil.java TagCache.java
Log:
General utils used by the generators.
Some of it will be cleaned up and moved in a generic util package,
like in tomcat ( maybe in commons )
Revision Changes Path
1.1 jakarta-tomcat/proposals/jasper34/generator/org/apache/jasper34/generator11/util/BeanRepository.java
Index: BeanRepository.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.jasper34.generator11.util;
import java.util.Vector;
import java.util.Enumeration;
import java.util.Hashtable;
import java.beans.Beans;
import java.beans.BeanInfo;
import java.beans.PropertyDescriptor;
import javax.servlet.ServletException;
import org.apache.jasper34.core.JasperException;
/**
* Holds instances of {session, application, page}-scoped beans
*
* @author Mandar Raje
*/
public class BeanRepository {
Vector sessionBeans;
Vector pageBeans;
Vector appBeans;
Vector requestBeans;
Hashtable beanTypes;
ClassLoader loader;
public BeanRepository (ClassLoader loader) {
sessionBeans = new Vector(11);
pageBeans = new Vector(11);
appBeans = new Vector(11);
requestBeans = new Vector(11);
beanTypes = new Hashtable ();
this.loader = loader;
}
public boolean checkSessionBean (String s) {
return sessionBeans.contains (s);
}
public void addSessionBean (String s, String type) throws JasperException {
sessionBeans.addElement (s);
putBeanType (s, type);
}
public boolean hasSessionBeans () {
return !sessionBeans.isEmpty ();
}
public Enumeration getSessionBeans () {
return sessionBeans.elements ();
}
public boolean checkApplicationBean (String s) {
return appBeans.contains (s);
}
public void addApplicationBean (String s, String type) throws JasperException
{
appBeans.addElement (s);
putBeanType (s, type);
}
public boolean hasApplicationBeans () {
return !appBeans.isEmpty ();
}
public Enumeration getApplicationBeans () {
return appBeans.elements ();
}
public boolean checkRequestBean (String s) {
return requestBeans.contains (s);
}
public void addRequestBean (String s, String type) throws JasperException {
requestBeans.addElement (s);
putBeanType (s, type);
}
public boolean hasRequestBeans () {
return !requestBeans.isEmpty ();
}
public Enumeration getRequestBeans () {
return requestBeans.elements ();
}
public boolean checkPageBean (String s) {
return pageBeans.contains (s);
}
public void addPageBean (String s, String type) throws JasperException {
pageBeans.addElement (s);
putBeanType (s, type);
}
public boolean hasPageBeans () {
return !pageBeans.isEmpty ();
}
public Enumeration getPageBeans () {
return pageBeans.elements ();
}
public boolean ClassFound (String clsname)
throws ClassNotFoundException {
Class cls = null;
//try {
cls = loader.loadClass(clsname) ;
//} catch (ClassNotFoundException ex) {
//return false;
//}
return !(cls == null);
}
public Class getBeanType (String bean) throws JasperException {
Class cls = null;
try {
cls = loader.loadClass((String)beanTypes.get(bean)) ;
} catch (ClassNotFoundException ex) {
throw new JasperException (ex);
}
return cls;
}
public void putBeanType (String bean, String type) throws JasperException {
try {
beanTypes.put (bean, type);
} catch (Exception ex) {
throw new JasperException (ex);
}
}
//public void putBeanType (String bean, Class type) {
//beanTypes.put (bean, type);
//}
public void removeBeanType (String bean) {
beanTypes.remove (bean);
}
// Not sure if this is the correct way.
// After pageContext is finalised this will change.
public boolean checkVariable (String bean) {
return (checkPageBean(bean) || checkSessionBean(bean) ||
checkRequestBean(bean) || checkApplicationBean(bean));
}
// Ideally this method should belong to the utils.
public Class getClass (String clsname)
throws ClassNotFoundException {
Class cls = null;
if (clsname != null) {
cls = loader.loadClass (clsname);
}
return cls;
}
public boolean beanFound (String beanName)
throws ClassNotFoundException {
try {
Beans.instantiate (loader, beanName);
return true;
} catch (java.io.IOException ex) {
// Ignore it for the time being.
return false;
}
}
}
1.1 jakarta-tomcat/proposals/jasper34/generator/org/apache/jasper34/generator11/util/JspRuntimeLibrary.java
Index: JspRuntimeLibrary.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.jasper34.generator11.util;
import org.apache.jasper34.core.*;
import java.io.IOException;
import java.util.Enumeration;
import java.lang.reflect.Method;
import java.io.Writer;
import java.io.Reader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.beans.PropertyDescriptor;
import java.beans.IndexedPropertyDescriptor;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspFactory;
/**
* Bunch of util methods that are used by code generated for useBean,
* getProperty and setProperty.
*
* The __begin, __end stuff is there so that the JSP engine can
* actually parse this file and inline them if people don't want
* runtime dependencies on this class. However, I'm not sure if that
* works so well right now. It got forgotten at some point. -akv
*
* @author Mandar Raje
*/
public class JspRuntimeLibrary {
public static JspCompilationContext context;
// __begin convertMethod
public static Object convert(String s, Class t) throws JasperException {
try {
if (s == null) {
if (t.equals(Boolean.class) || t.equals(Boolean.TYPE))
s = "false";
else
return null;
}
if ( t.equals(Boolean.class) || t.equals(Boolean.TYPE) ) {
if (s.equalsIgnoreCase("on") || s.equalsIgnoreCase("true"))
s = "true";
else
s = "false";
return new Boolean(s);
} else if ( t.equals(Byte.class) || t.equals(Byte.TYPE) ) {
return new Byte(s);
} else if (t.equals(Character.class) || t.equals(Character.TYPE)) {
return s.length() > 0 ? new Character(s.charAt(0)) : null;
} else if ( t.equals(Short.class) || t.equals(Short.TYPE) ) {
return new Short(s);
} else if ( t.equals(Integer.class) || t.equals(Integer.TYPE) ) {
return new Integer(s);
} else if ( t.equals(Float.class) || t.equals(Float.TYPE) ) {
return new Float(s);
} else if ( t.equals(Long.class) || t.equals(Long.TYPE) ) {
return new Long(s);
} else if ( t.equals(Double.class) || t.equals(Double.TYPE) ) {
return new Double(s);
} else if ( t.equals(String.class) ) {
return s;
} else if ( t.equals(java.io.File.class) ) {
return new java.io.File(s);
}
} catch (Exception ex) {
throw new JasperException (ex);
}
return s;
}
// __end convertMethod
// __begin introspectMethod
public static void introspect(Object bean, ServletRequest request)
throws JasperException
{
Enumeration e = request.getParameterNames();
while ( e.hasMoreElements() ) {
String name = (String) e.nextElement();
String value = request.getParameter(name);
introspecthelper(bean, name, value, request, name, true);
}
}
// __end introspectMethod
// __begin introspecthelperMethod
public static void introspecthelper(Object bean, String prop,
String value, ServletRequest request,
String param, boolean ignoreMethodNF)
throws JasperException
{
java.lang.reflect.Method method = null;
Class type = null;
try {
java.beans.BeanInfo info
= java.beans.Introspector.getBeanInfo(bean.getClass());
if ( info != null ) {
java.beans.PropertyDescriptor pd[]
= info.getPropertyDescriptors();
for (int i = 0 ; i < pd.length ; i++) {
if ( pd[i].getName().equals(prop) ) {
method = pd[i].getWriteMethod();
type = pd[i].getPropertyType();
break;
}
}
}
if ( method != null ) {
if (type.isArray()) {
if (request == null) {
throw new JasperException(context.getString(
"jsp.error.beans.setproperty.noindexset",
new Object[] {}));
};
Class t = type.getComponentType();
String[] values = request.getParameterValues(param);
//XXX Please check.
if(values == null) return;
if(t.equals(String.class)) {
method.invoke(bean, new Object[] { values });
} else {
Object tmpval = null;
createTypedArray (bean, method, values, t);
}
} else {
if(value == null || (param != null && value.equals(""))) return;
Object oval = convert(value, type);
if ( oval != null )
method.invoke(bean, new Object[] { oval });
}
}
} catch (Exception ex) {
throw new JasperException (ex);
}
if (!ignoreMethodNF && (method == null)) {
if (type == null) {
throw new JasperException(context.getString(
"jsp.error.beans.noproperty",
new Object[] {prop, bean.getClass().getName()}));
} else {
throw new JasperException(context.getString(
"jsp.error.beans.nomethod.setproperty",
new Object[] {prop, bean.getClass().getName()}));
}
}
}
// __end introspecthelperMethod
//-------------------------------------------------------------------
// functions to convert builtin Java data types to string.
//-------------------------------------------------------------------
// __begin toStringMethod
public static String toString(Object o) {
return (o == null) ? "" : o.toString();
}
public static String toString(byte b) {
return new Byte(b).toString();
}
public static String toString(boolean b) {
return new Boolean(b).toString();
}
public static String toString(short s) {
return new Short(s).toString();
}
public static String toString(int i) {
return new Integer(i).toString();
}
public static String toString(float f) {
return new Float(f).toString();
}
public static String toString(long l) {
return new Long(l).toString();
}
public static String toString(double d) {
return new Double(d).toString();
}
public static String toString(char c) {
return new Character(c).toString();
}
// __end toStringMethod
/**
* Create a typed array.
* This is a special case where params are passed through
* the request and the property is indexed.
*/
public static void createTypedArray (Object bean, Method method, String []values, Class t)
throws JasperException {
try {
if (t.equals(Integer.class)) {
Integer []tmpval = new Integer[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Integer (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Byte.class)) {
Byte[] tmpval = new Byte[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Byte (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Boolean.class)) {
Boolean[] tmpval = new Boolean[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Boolean (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Short.class)) {
Short[] tmpval = new Short[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Short (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Long.class)) {
Long[] tmpval = new Long[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Long (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Double.class)) {
Double[] tmpval = new Double[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Double (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Float.class)) {
Float[] tmpval = new Float[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Float (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(Character.class)) {
Character[] tmpval = new Character[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = new Character(values[i].charAt(0));
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(int.class)) {
int []tmpval = new int[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = Integer.parseInt (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(byte.class)) {
byte[] tmpval = new byte[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = Byte.parseByte (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(boolean.class)) {
boolean[] tmpval = new boolean[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = (Boolean.valueOf(values[i])).booleanValue();
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(short.class)) {
short[] tmpval = new short[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = Short.parseShort (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(long.class)) {
long[] tmpval = new long[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = Long.parseLong (values[i]);
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(double.class)) {
double[] tmpval = new double[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = Double.valueOf(values[i]).doubleValue();
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(float.class)) {
float[] tmpval = new float[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = Float.valueOf(values[i]).floatValue();
method.invoke (bean, new Object[] {tmpval});
} else if (t.equals(char.class)) {
char[] tmpval = new char[values.length];
for (int i = 0 ; i < values.length; i++)
tmpval[i] = values[i].charAt(0);
method.invoke (bean, new Object[] {tmpval});
}
} catch (Exception ex) {
throw new JasperException ("error in invoking method");
}
}
/**
* Escape special shell characters.
* @param unescString The string to shell-escape
* @return The escaped shell string.
*/
public static String escapeQueryString(String unescString) {
if ( unescString == null )
return null;
String escString = "";
String shellSpChars = "&;`'\"|*?~<>^()[]{}$\\\n";
for(int index=0; index<unescString.length(); index++) {
char nextChar = unescString.charAt(index);
if( shellSpChars.indexOf(nextChar) != -1 )
escString += "\\";
escString += nextChar;
}
return escString;
}
/**
* Decode an URL formatted string.
* @param s The string to decode.
* @return The decoded string.
*/
public static String decode(String encoded) {
// speedily leave if we're not needed
if (encoded == null) return null;
if (encoded.indexOf('%') == -1 && encoded.indexOf('+') == -1)
return encoded;
//allocate the buffer - use byte[] to avoid calls to new.
byte holdbuffer[] = new byte[encoded.length()];
char holdchar;
int bufcount = 0;
for (int count = 0; count < encoded.length(); count++) {
char cur = encoded.charAt(count);
if (cur == '%') {
holdbuffer[bufcount++] =
(byte)Integer.parseInt(encoded.substring(count+1,count+3),16);
if (count + 2 >= encoded.length())
count = encoded.length();
else
count += 2;
} else if (cur == '+') {
holdbuffer[bufcount++] = (byte) ' ';
} else {
holdbuffer[bufcount++] = (byte) cur;
}
}
// REVISIT -- remedy for Deprecated warning.
//return new String(holdbuffer,0,0,bufcount);
return new String(holdbuffer,0,bufcount);
}
// __begin lookupReadMethodMethod
public static Object handleGetProperty(Object o, String prop)
throws JasperException {
if (o == null) {
throw new JasperException(context.getString(
"jsp.error.beans.nullbean",
new Object[] {}));
}
Object value = null;
try {
java.lang.reflect.Method method =
getReadMethod(o.getClass(), prop);
value = method.invoke(o, null);
} catch (Exception ex) {
throw new JasperException (ex);
}
return value;
}
// __end lookupReadMethodMethod
public static void handleSetProperty(Object bean, String prop,
Object value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { value });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
int value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Integer(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
short value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Short(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
long value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Long(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
double value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Double(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
float value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Float(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
char value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Character(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
byte value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Byte(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static void handleSetProperty(Object bean, String prop,
boolean value)
throws JasperException
{
try {
Method method = getWriteMethod(bean.getClass(), prop);
method.invoke(bean, new Object[] { new Boolean(value) });
} catch (Exception ex) {
throw new JasperException(ex);
}
}
public static java.lang.reflect.Method getWriteMethod(Class beanClass, String prop)
throws JasperException {
java.lang.reflect.Method method = null;
Class type = null;
try {
java.beans.BeanInfo info
= java.beans.Introspector.getBeanInfo(beanClass);
if ( info != null ) {
java.beans.PropertyDescriptor pd[]
= info.getPropertyDescriptors();
for (int i = 0 ; i < pd.length ; i++) {
if ( pd[i].getName().equals(prop) ) {
method = pd[i].getWriteMethod();
type = pd[i].getPropertyType();
break;
}
}
} else {
// just in case introspection silently fails.
throw new JasperException(context.getString(
"jsp.error.beans.nobeaninfo",
new Object[] {beanClass.getName()}));
}
} catch (Exception ex) {
throw new JasperException (ex);
}
if (method == null) {
if (type == null) {
throw new JasperException(context.getString(
"jsp.error.beans.noproperty",
new Object[] {prop, beanClass.getName()}));
} else {
throw new JasperException(context.getString(
"jsp.error.beans.nomethod.setproperty",
new Object[] {prop, beanClass.getName()}));
}
}
return method;
}
public static java.lang.reflect.Method getReadMethod(Class beanClass, String prop)
throws JasperException {
java.lang.reflect.Method method = null;
Class type = null;
try {
java.beans.BeanInfo info
= java.beans.Introspector.getBeanInfo(beanClass);
if ( info != null ) {
java.beans.PropertyDescriptor pd[]
= info.getPropertyDescriptors();
for (int i = 0 ; i < pd.length ; i++) {
if ( pd[i].getName().equals(prop) ) {
method = pd[i].getReadMethod();
type = pd[i].getPropertyType();
break;
}
}
} else {
// just in case introspection silently fails.
throw new JasperException(context.getString(
"jsp.error.beans.nobeaninfo",
new Object[] {beanClass.getName()}));
}
} catch (Exception ex) {
throw new JasperException (ex);
}
if (method == null) {
if (type == null) {
throw new JasperException(context.getString(
"jsp.error.beans.noproperty",
new Object[] {prop, beanClass.getName()}));
} else {
throw new JasperException(context.getString(
"jsp.error.beans.nomethod",
new Object[] {prop, beanClass.getName()}));
}
}
return method;
}
}
1.1 jakarta-tomcat/proposals/jasper34/generator/org/apache/jasper34/generator11/util/JspUtil.java
Index: JspUtil.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.jasper34.generator11.util;
import java.net.URL;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.FileInputStream;
import java.util.Hashtable;
import java.util.Enumeration;
//import org.apache.jasper34.generator11.parse.Mark;
import org.apache.jasper34.core.*;
//import org.apache.jasper.Constants;
//import org.apache.jasper.JasperException;
import org.w3c.dom.*;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.xml.sax.EntityResolver;
import org.xml.sax.SAXException;
import org.xml.sax.InputSource;
/**
* This class has all the utility method(s).
* Ideally should move all the bean containers here.
*
* @author Mandar Raje.
* @author Rajiv Mordani.
*/
public class JspUtil {
static JspCompilationContext context;
private static final String OPEN_EXPR = "<%=";
private static final String CLOSE_EXPR = "%>";
public static char[] removeQuotes(char []chars) {
CharArrayWriter caw = new CharArrayWriter();
for (int i = 0; i < chars.length; i++) {
if (chars[i] == '%' && chars[i+1] == '\\' &&
chars[i+2] == '\\' && chars[i+3] == '>') {
caw.write('%');
caw.write('>');
i = i + 3;
}
else caw.write(chars[i]);
}
return caw.toCharArray();
}
// Checks if the token is a runtime expression.
public static boolean isExpression (String token) {
if (token.startsWith(OPEN_EXPR) && token.endsWith(CLOSE_EXPR)) {
return true;
}
return false;
}
// Returns the "expression" part -- takin <%= and %> out.
public static String getExpr (String expression) {
String returnString;
int length = expression.length();
if (expression.startsWith(OPEN_EXPR) && expression.endsWith(CLOSE_EXPR)) {
returnString = expression.substring (OPEN_EXPR.length(), length - CLOSE_EXPR.length());
} else {
returnString = "";
}
return returnString;
}
public static String escapeQueryString(String unescString) {
if ( unescString == null )
return null;
String escString = "";
String shellSpChars = "\\\"";
for(int index=0; index<unescString.length(); index++) {
char nextChar = unescString.charAt(index);
if( shellSpChars.indexOf(nextChar) != -1 )
escString += "\\";
escString += nextChar;
}
return escString;
}
}
1.1 jakarta-tomcat/proposals/jasper34/generator/org/apache/jasper34/generator11/util/TagCache.java
Index: TagCache.java
===================================================================
/*
* $Header: /home/cvs/jakarta-tomcat/proposals/jasper34/generator/org/apache/jasper34/generator11/util/TagCache.java,v 1.1 2001/05/04 20:04:33 costin Exp $
* $Revision: 1.1 $
* $Date: 2001/05/04 20:04:33 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.jasper34.generator11.util;
import java.util.Hashtable;
import org.apache.jasper34.core.*;
import java.lang.reflect.Method;
import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.beans.IntrospectionException;
//import org.apache.jasper.JasperException;
//import org.apache.jasper.Constants;
/**
* A simple cache to hold results of one-time evaluation for a custom
* tag.
*
* @author Anil K. Vijendran (akv@eng.sun.com)
*/
public class TagCache {
String shortTagName;
Hashtable methodMaps;
BeanInfo tagClassInfo;
Class tagHandlerClass;
JspCompilationContext context;
public TagCache(JspCompilationContext context,String shortTagName) {
this.context=context;
this.shortTagName = shortTagName;
this.methodMaps = new Hashtable();
}
private void addSetterMethod(String attrName, Method m) {
methodMaps.put(attrName, m);
}
public Method getSetterMethod(String attrName) {
return (Method) methodMaps.get(attrName);
}
public void setTagHandlerClass(Class tagHandlerClass)
throws JasperException
{
try {
this.tagClassInfo = Introspector.getBeanInfo(tagHandlerClass);
this.tagHandlerClass = tagHandlerClass;
PropertyDescriptor[] pd = tagClassInfo.getPropertyDescriptors();
for(int i = 0; i < pd.length; i++) {
/* FIXME: why is the check for null below needed?? -akv */
/*
FIXME: should probably be checking for things like
pageContext, bodyContent, and parent here -akv
*/
if (pd[i].getWriteMethod() != null)
addSetterMethod(pd[i].getName(), pd[i].getWriteMethod());
}
} catch (IntrospectionException ex) {
throw new JasperException(context.getString("jsp.error.unable.to_introspect",
new Object[] {
tagHandlerClass.getName(),
ex.getMessage()
}
));
}
}
public Class getTagHandlerClass() {
return tagHandlerClass;
}
public BeanInfo getTagClassInfo() {
return tagClassInfo;
}
}