Update of /cvsroot/xdoclet/xdoclet/modules/jdo/src/xdoclet/modules/jdo/resources
In directory
sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2274/modules/jdo/src/xdoclet/modules/jdo/resources
Added Files:
java_objectid.xdt
Log Message:
XDoclet finally supports the automatic creation of JDO objectid-classes!
--- NEW FILE: java_objectid.xdt ---
/*
* This class has been auto-generated by XDoclet.
* See http://xdoclet.sourceforge.net for details.
*
* Please DO NOT edit this file! Your changes will be lost
* with the next run of XDoclet.
*/
package <XDtJdoObjectIdGenerator:getObjectIdPackage/>;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.text.ParseException;
import java.util.StringTokenizer;
/**
* This JDO objectid-class has been created by XDoclet for
* [EMAIL PROTECTED] <XDtPackage:packageName/>.<XDtClass:className/>}.
*/
public class <XDtJdoObjectIdGenerator:getObjectIdClass/>
implements Serializable
{
/**
* The values of all fields are url encoded in UTF-8.
*/
public static final String ENCODING="UTF-8";
protected static final String JDO_PREFIX = "jdo";
protected static final char JDO_PREFIX_SEPARATOR = '/';
protected static final char CLASS_SEPARATOR = '?';
protected static final String EMPTYSTRING = "";
protected static final String SEPARATORS_FOR_TOKENIZER = "/?=&";
protected static final String SEPARATOR_KEY_VALUE = "=";
protected static final String SEPARATOR_ENTRY = "&";
protected static final Byte NULLBYTE = new Byte((byte)0);
protected static final Character NULLCHAR = new Character((char)0);
<XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
public <XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldType/>
<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>;
</XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
public <XDtJdoObjectIdGenerator:getObjectIdClass/>() { }
/**
* This constructor creates a new instance of
<XDtJdoObjectIdGenerator:getObjectIdClass/>
* by parsing the <code>keyStr</code> that has been created by [EMAIL
PROTECTED] #toString()}
* and setting all fields to the values from the string.
* <p>
* This means, the following code will create a copy of this
class:<br/><br/>
* <code><XDtJdoObjectIdGenerator:getObjectIdClass/>
new<XDtJdoObjectIdGenerator:getObjectIdClass/> = new
<XDtJdoObjectIdGenerator:getObjectIdClass/>(old<XDtJdoObjectIdGenerator:getObjectIdClass/>.toString());</code>
*
* @param keyStr A String formatted as
"jdo/{className}?{field0}={value0}&{field1}={value1}...&{fieldN}={valueN}"
* where all values are url encoded using [EMAIL PROTECTED]
#ENCODING}.
*/
public <XDtJdoObjectIdGenerator:getObjectIdClass/>(String keyStr)
throws ParseException, SecurityException,
NoSuchFieldException, IllegalArgumentException,
IllegalAccessException, NoSuchMethodException,
InstantiationException, InvocationTargetException
{
Class clazz = this.getClass();
StringTokenizer st = new StringTokenizer(keyStr,
SEPARATORS_FOR_TOKENIZER, true);
String jdoPrefix = st.nextToken();
if (!JDO_PREFIX.equals(jdoPrefix))
throw new ParseException("keyStr \""+keyStr+"\" does
not start with jdo prefix \""+JDO_PREFIX+"\"!", 0);
if (!st.hasMoreTokens() || st.nextToken().charAt(0) !=
JDO_PREFIX_SEPARATOR)
throw new ParseException("keyStr \""+keyStr+"\" is
missing separator \""+JDO_PREFIX_SEPARATOR+"\" after jdo prefix!", 0);
String className = st.nextToken();
if (!className.equals(clazz.getName()))
throw new ParseException("keyStr defines class
\""+className+"\", but this is an instance of \""+clazz.getName()+"\"!", 0);
if (!st.hasMoreTokens() || st.nextToken().charAt(0) !=
CLASS_SEPARATOR)
throw new ParseException("keyStr \""+keyStr+"\" is
missing separator \""+CLASS_SEPARATOR+"\" after class!", 0);
while (st.hasMoreTokens()) {
String key = st.nextToken();
String valStr = EMPTYSTRING;
if (st.hasMoreTokens()) {
String sep = st.nextToken();
if (!SEPARATOR_KEY_VALUE.equals(sep))
throw new ParseException("Expected
\""+SEPARATOR_KEY_VALUE+"\", but found \""+sep+"\"!", 0);
if (st.hasMoreTokens()) {
valStr = st.nextToken();
if (SEPARATOR_ENTRY.equals(valStr)) {
sep = valStr;
valStr = EMPTYSTRING;
}
else
try {
valStr =
URLDecoder.decode(valStr, ENCODING);
} catch
(UnsupportedEncodingException e) {
e.printStackTrace();
throw new
RuntimeException(e);
}
}
if (!SEPARATOR_ENTRY.equals(sep)) {
if (st.hasMoreTokens()) {
sep = st.nextToken();
if
(!SEPARATOR_ENTRY.equals(sep))
throw new
ParseException("Expected \""+SEPARATOR_ENTRY+"\", but found \""+sep+"\"!", 0);
}
} // if (!SEPARATOR_ENTRY.equals(val)) {
} // if (st.hasMoreTokens()) {
Field field = clazz.getField(key);
Class fieldType = field.getType();
if (valStr == null) {
if (!fieldType.isPrimitive())
field.set(this, null);
else {
if
(boolean.class.isAssignableFrom(fieldType))
field.set(this, Boolean.FALSE);
if
(char.class.isAssignableFrom(fieldType))
field.set(this, NULLCHAR);
if
(byte.class.isAssignableFrom(fieldType) ||
int.class.isAssignableFrom(fieldType) ||
float.class.isAssignableFrom(fieldType) ||
long.class.isAssignableFrom(fieldType))
field.set(this, NULLBYTE);
}
}
else {
Object val = null;
if (String.class.isAssignableFrom(fieldType)) {
val = valStr;
}
else if
(Number.class.isAssignableFrom(fieldType)) {
Constructor c =
fieldType.getConstructor(new Class[] {String.class});
val = c.newInstance(new Object[]
{valStr});
}
else if
(boolean.class.isAssignableFrom(fieldType)) {
val = new Boolean(valStr);
}
else if
(char.class.isAssignableFrom(fieldType)) {
val = new Character(valStr.charAt(0));
}
else if
(byte.class.isAssignableFrom(fieldType)) {
val = new Byte(valStr);
}
else if (int.class.isAssignableFrom(fieldType))
{
val = new Integer(valStr);
}
else if
(long.class.isAssignableFrom(fieldType)) {
val = new Long(valStr);
}
else
throw new
IllegalArgumentException("Type "+fieldType.getName()+" of member "+key+" is not
unsupported!");
field.set(this, val);
}
}
}
/**
* JDO expects the result of this method to be compatible with the
constructor
* [EMAIL PROTECTED]
#<XDtJdoObjectIdGenerator:getObjectIdClass/>(String)}.
* This method takes all the primary-key-fields and encodes them with
their name
* and their value.
*
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sb = new StringBuffer(JDO_PREFIX);
sb.append(JDO_PREFIX_SEPARATOR);
sb.append(this.getClass().getName());
sb.append(CLASS_SEPARATOR);
try {
<XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
sb.append("<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>=");
sb.append(URLEncoder.encode(String.valueOf(<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>),
ENCODING));
<XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
sb.append('&');
</XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
</XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("Why the hell goes encoding
with " + ENCODING + " wrong?!", e);
}
return sb.toString();
}
/**
* This method compares all primary key fields (according to the JDO
spec).
*
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
if (obj == this)
return true;
if (!(obj instanceof
<XDtJdoObjectIdGenerator:getObjectIdClass/>))
return false;
<XDtJdoObjectIdGenerator:getObjectIdClass/> other =
(<XDtJdoObjectIdGenerator:getObjectIdClass/>)obj;
return
<XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
<XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsPrimitive>
this.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/> ==
other.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>
</XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsPrimitive>
<XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsNotPrimitive>
(
(this.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/> ==
other.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>) ||
(this.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/> != null &&
this.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>.equals(other.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>))
)
</XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsNotPrimitive>
<XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
&&
</XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
</XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>;
}
protected static int primitiveHashCode(boolean val)
{
return val ? 1231 : 1237;
}
protected static int primitiveHashCode(byte val)
{
return val;
}
protected static int primitiveHashCode(char val)
{
return val;
}
protected static int primitiveHashCode(double val)
{
long bits = Double.doubleToLongBits(val);
return (int)(bits ^ (bits >>> 32));
}
protected static int primitiveHashCode(float val)
{
return Float.floatToIntBits(val);
}
protected static int primitiveHashCode(int val)
{
return val;
}
protected static int primitiveHashCode(long val)
{
return (int)(val ^ (val >>> 32));
}
protected static int primitiveHashCode(short val)
{
return val;
}
/**
* @see java.lang.Object#hashCode()
*/
public int hashCode()
{
return
<XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
<XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsPrimitive>
primitiveHashCode(<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>)
</XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsPrimitive>
<XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsNotPrimitive>
<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>.hashCode()
</XDtJdoObjectIdGenerator:ifCurrentPrimaryKeyFieldIsNotPrimitive>
<XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
^
</XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
</XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>;
}
/**
* @return Returns a newly created instance of
<code><XDtJdoObjectIdGenerator:getObjectIdClass/></code>
* with the primary-key fields set to the given parameters.
*/
public static <XDtJdoObjectIdGenerator:getObjectIdClass/> create(
<XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldType/>
<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/><XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>,</XDtJdoObjectIdGenerator:ifNotLastPrimaryKeyField>
</XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
)
{
<XDtJdoObjectIdGenerator:getObjectIdClass/> n = new
<XDtJdoObjectIdGenerator:getObjectIdClass/>();
<XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
n.<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/> =
<XDtJdoObjectIdGenerator:getCurrentPrimaryKeyFieldName/>;
</XDtJdoObjectIdGenerator:forAllPrimaryKeyFields>
return n;
}
}
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