donaldp 01/03/14 21:09:18
Added: src/compat/org/apache/avalon AbstractConfiguration.java
Configurable.java Configuration.java
ConfigurationBuilder.java
ConfigurationException.java
DefaultConfiguration.java
DefaultConfigurationBuilder.java
Removed: src/java/org/apache/avalon AbstractConfiguration.java
Configurable.java Configuration.java
ConfigurationBuilder.java
ConfigurationException.java
DefaultConfiguration.java
DefaultConfigurationBuilder.java
Log:
Moved deprecated code that required for backwards compatability to compat
sub-directory.
Revision Changes Path
1.1
jakarta-avalon/src/compat/org/apache/avalon/AbstractConfiguration.java
Index: AbstractConfiguration.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
import java.util.Iterator;
/**
* This is an abstract <code>Configuration</code> implementation that deals
* with methods that can be abstracted away from underlying implementations.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Federico Barbieri</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Stefano Mazzocchi</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Pierpaolo Fumagalli</a>
* @version CVS $Revision: 1.1 $ $Date: 2001/03/15 05:09:16 $
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public abstract class AbstractConfiguration
implements Configuration
{
private static int PREFIX = 2;
/**
* Returns the value of the configuration element as an <code>int</code>.
*/
public int getValueAsInt()
throws ConfigurationException
{
final String value = getValue();
try
{
if( value.startsWith("0x") )
{
return Integer.parseInt(
value.substring(AbstractConfiguration.PREFIX), 16 );
}
else if( value.startsWith("0o") )
{
return Integer.parseInt(
value.substring(AbstractConfiguration.PREFIX), 8 );
}
else if( value.startsWith("0b") )
{
return Integer.parseInt(
value.substring(AbstractConfiguration.PREFIX), 2 );
}
else
{
return Integer.parseInt( value );
}
}
catch( final Exception nfe )
{
throw
new ConfigurationException( "Cannot parse the value of the
configuration " +
"element \"" + getName() + "\" as an
integer" );
}
}
/**
* Returns the value of the configuration element as an <code>int</code>.
*/
public int getValueAsInt( final int defaultValue )
{
try
{
return getValueAsInt();
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the configuration element as a <code>long</code>.
*/
public long getValueAsLong()
throws ConfigurationException
{
final String value = getValue();
try
{
if( value.startsWith("0x") )
{
return Long.parseLong( value.substring(2), 16 );
}
else if( value.startsWith("0o") )
{
return Long.parseLong( value.substring(2), 8);
}
else if( value.startsWith("0b") )
{
return Long.parseLong(value.substring(2),2);
}
else return Integer.parseInt(value);
}
catch( final Exception nfe )
{
throw new ConfigurationException( "Cannot parse the value of the " +
"configuration element \"" + getName()
+
"\" as a long" );
}
}
/**
* Returns the value of the configuration element as a <code>long</code>.
*/
public long getValueAsLong( final long defaultValue )
{
try
{
return getValueAsLong();
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the configuration element as a <code>float</code>.
*/
public float getValueAsFloat()
throws ConfigurationException
{
final String value = getValue();
try
{
return Float.parseFloat( value );
}
catch( final Exception nfe )
{
throw new ConfigurationException( "Cannot parse the value of the " +
"configuration element \"" + getName()
+
"\" as a float" );
}
}
/**
* Returns the value of the configuration element as a <code>float</code>.
*/
public float getValueAsFloat( final float defaultValue )
{
try
{
return getValueAsFloat();
}
catch( final ConfigurationException ce )
{
return(defaultValue);
}
}
/**
* Returns the value of the configuration element as a <code>boolean</code>.
*/
public boolean getValueAsBoolean()
throws ConfigurationException
{
final String value = getValue();
if( value.equals("true") ) return true;
else if( value.equals("false") ) return false;
else
{
throw new ConfigurationException( "Cannot parse the value of the " +
"configuration element \"" +
getName() + "\" as a boolean" );
}
}
/**
* Returns the value of the configuration element as a <code>boolean</code>.
*/
public boolean getValueAsBoolean( final boolean defaultValue )
{
try
{
return getValueAsBoolean();
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the configuration element as a <code>String</code>.
*/
public String getValue( final String defaultValue )
{
try
{
return getValue();
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the attribute specified by its name as an
* <code>int</code>.
*/
public int getAttributeAsInt( final String name )
throws ConfigurationException
{
final String value = getAttribute( name );
try
{
if( value.startsWith("0x") )
{
return Integer.parseInt( value.substring(2), 16 );
}
else if( value.startsWith("0o") )
{
return Integer.parseInt( value.substring(2), 8);
}
else if( value.startsWith("0b") )
{
return Integer.parseInt(value.substring(2),2);
}
else
{
return Integer.parseInt(value);
}
}
catch( final Exception nfe )
{
throw new ConfigurationException( "Cannot parse the value of the
attribute \"" +
name + "\" of the configuration
element \"" +
getName() + "\" as an integer" );
}
}
/**
* Returns the value of the attribute specified by its name as an
* <code>int</code>.
*/
public int getAttributeAsInt( final String name, final int defaultValue )
{
try
{
return getAttributeAsInt( name );
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>long</code>.
*/
public long getAttributeAsLong( final String name )
throws ConfigurationException
{
final String value = getAttribute( name );
try
{
if( value.startsWith("0x") )
{
return Long.parseLong( value.substring(2), 16 );
}
else if( value.startsWith("0o") )
{
return Long.parseLong( value.substring(2), 8 );
}
else if( value.startsWith("0b") )
{
return Long.parseLong( value.substring(2), 2);
}
else
{
return Integer.parseInt( value );
}
}
catch( final Exception nfe )
{
throw new ConfigurationException( "Cannot parse the value of the
attribute \"" +
name + "\" of the configuration
element \"" +
getName() + "\" as a long" );
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>long</code>.
*/
public long getAttributeAsLong( final String name, final long defaultValue )
{
try
{
return getAttributeAsLong( name );
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>float</code>.
*/
public float getAttributeAsFloat( final String name )
throws ConfigurationException
{
final String value = getAttribute( name );
try
{
return Float.parseFloat( value );
}
catch( final Exception e )
{
throw new ConfigurationException( "Cannot parse the value of the
attribute \"" +
name + "\" of the configuration
element \"" +
getName() + "\" as a float" );
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>float</code>.
*/
public float getAttributeAsFloat( final String name, final float defaultValue )
{
try
{
return getAttributeAsFloat( name );
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>boolean</code>.
*/
public boolean getAttributeAsBoolean( final String name )
throws ConfigurationException
{
final String value = getAttribute( name );
if( value.equals("true") ) return true;
else if( value.equals("false") ) return false;
else
{
throw new ConfigurationException( "Cannot parse the value of the
attribute \"" +
name + "\" of the configuration
element \"" +
getName() + "\" as a boolean" );
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>boolean</code>.
*/
public boolean getAttributeAsBoolean( final String name, final boolean
defaultValue )
{
try
{
return getAttributeAsBoolean( name );
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>String</code>.
*/
public String getAttribute( final String name, final String defaultValue )
{
try
{
return getAttribute( name );
}
catch( final ConfigurationException ce )
{
return defaultValue;
}
}
/**
* Return the first <code>Configuration</code> object child of this
* associated with the given name.
*/
public Configuration getChild( final String name )
{
final Iterator iterator = getChildren( name );
if( iterator.hasNext() )
{
return (Configuration)iterator.next();
}
else
{
return new DefaultConfiguration( name, "-" );
}
}
}
1.1 jakarta-avalon/src/compat/org/apache/avalon/Configurable.java
Index: Configurable.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
/**
* This interface should be implemented by classes that need to be
* configured with custom parameters before initialization.
* <br />
*
* The contract surrounding a <code>Configurable</code> is that the
* instantiating entity must call the <code>configure</code>
* method before it is valid. The <code>configure</code> method
* must be called after the constructor, and before any other method.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Federico Barbieri</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Pierpaolo Fumagalli</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Stefano Mazzocchi</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Berin Loritsch</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public interface Configurable
{
/**
* Pass the <code>Configuration</code> to the <code>Configurable</code>
* class. This method must always be called after the constructor
* and before any other method.
*
* @param configuration the class configurations.
*/
void configure( Configuration configuration )
throws ConfigurationException;
}
1.1 jakarta-avalon/src/compat/org/apache/avalon/Configuration.java
Index: Configuration.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
import java.util.Iterator;
/**
* <code>Configuration</code> is a interface encapsulating a configuration node
* used to retrieve configuration values. This is a "read only" interface
* preventing applications from modifying their own configurations.
* <br />
*
* The contract surrounding the <code>Configuration</code> is that once
* it is created, information never changes. The <code>Configuration</code>
* is built by the <code>SAXConfigurationBuilder</code> and the
* <code>ConfigurationImpl</code> helper classes.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Federico Barbieri</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Pierpaolo Fumagalli</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Stefano Mazzocchi</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Berin Loritsch</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public interface Configuration
{
/**
* Return the name of the node.
*
* @post getName() != null
*
* @return name of the <code>Configuration</code> node.
*/
String getName();
/**
* Return a string describing location of Configuration.
* Location can be different for different mediums (ie "file:line" for normal
XML files or
* "table:primary-key" for DB based configurations);
*
* @return a string describing location of Configuration
*/
String getLocation();
/**
* Return a new <code>Configuration</code> instance encapsulating the
* specified child node.
*
* @pre child != null
* @post getConfiguration() != null
*
* @param child The name of the child node.
* @return Configuration
*/
Configuration getChild( String child );
/**
* Return an <code>Iterator</code> of <code>Configuration<code>
* elements containing all node children with the specified name.
*
* @pre name != null
* @post getConfigurations() != null
*
* @param name The name of the children to get.
* @return The child nodes with name
*/
Iterator getChildren( String name );
/**
* Return the value of specified attribute.
*
* @pre paramName != null
* @post getAttribute != null
*
* @param paramName The name of the parameter you ask the value of.
* @return String value of attribute.
* @exception ConfigurationException If no attribute with that name exists.
*/
String getAttribute( String paramName ) throws ConfigurationException;
/**
* Return the <code>int</code> value of the specified attribute contained
* in this node.
*
* @pre paramName != null
* @post getAttributeAsInt() != null
*
* @param paramName The name of the parameter you ask the value of.
* @return int value of attribute
* @exception ConfigurationException If no parameter with that name exists.
* or if conversion to <code>int</code> fails.
*/
int getAttributeAsInt( String paramName ) throws ConfigurationException;
/**
* Returns the value of the attribute specified by its name as a
* <code>long</code>.
*
* @pre paramName != null
* @post getAttributeAsLong() != null
*
* @param paramName The name of the parameter you ask the value of.
* @return long value of attribute
* @exception ConfigurationException If no parameter with that name exists.
* or if conversion to <code>long</code> fails.
*/
long getAttributeAsLong( String name ) throws ConfigurationException;
/**
* Return the <code>float</code> value of the specified parameter contained
* in this node.
*
* @pre paramName != null
* @post getAttributeAsFloat() != null
*
* @param paramName The name of the parameter you ask the value of.
* @return float value of attribute
* @exception ConfigurationException If no parameter with that name exists.
* or if conversion to <code>float</code>
fails.
*/
float getAttributeAsFloat( String paramName ) throws ConfigurationException;
/**
* Return the <code>boolean</code> value of the specified parameter contained
* in this node.<br>
*
* @pre paramName != null
* @post getAttributeAsBoolean() != null
*
* @param paramName The name of the parameter you ask the value of.
* @return boolean value of attribute
* @exception ConfigurationException If no parameter with that name exists.
* or if conversion to <code>boolean</code>
fails.
*/
boolean getAttributeAsBoolean( String paramName ) throws ConfigurationException;
/**
* Return the <code>String</code> value of the node.
*
* @post getValue() != null
*
* @return the value of the node.
*/
String getValue() throws ConfigurationException;
/**
* Return the <code>int</code> value of the node.
*
* @post getValueAsInt() != null
*
* @returns the value of the node.
*
* @exception ConfigurationException If conversion to <code>int</code> fails.
*/
int getValueAsInt() throws ConfigurationException;
/**
* Return the <code>float</code> value of the node.
*
* @post getValueAsFloat() != null
*
* @return the value of the node.
* @exception ConfigurationException If conversion to <code>float</code> fails.
*/
float getValueAsFloat() throws ConfigurationException;
/**
* Return the <code>boolean</code> value of the node.
*
* @post getValueAsBoolean() != null
*
* @return the value of the node.
* @exception ConfigurationException If conversion to <code>boolean</code> fails.
*/
boolean getValueAsBoolean() throws ConfigurationException;
/**
* Return the <code>long</code> value of the node.<br>
*
* @post getValueAsLong() != null
*
* @return the value of the node.
* @exception ConfigurationException If conversion to <code>long</code> fails.
*/
long getValueAsLong() throws ConfigurationException;
/**
* Returns the value of the configuration element as a <code>String</code>.
* If the configuration value is not set, the default value will be
* used.
*
* @pre defaultValue != null
* @post getValue(defaultValue) != null
*
* @param defaultValue The default value desired.
* @return String value of the <code>Configuration</code>, or default
* if none specified.
*/
String getValue( String defaultValue );
/**
* Returns the value of the configuration element as an <code>int</code>.
* If the configuration value is not set, the default value will be
* used.
*
* @pre defaultValue != null
* @post getValueAsInt(defaultValue) != null
*
* @param defaultValue The default value desired.
* @return int value of the <code>Configuration</code>, or default
* if none specified.
*/
int getValueAsInt( int defaultValue );
/**
* Returns the value of the configuration element as a <code>long</code>.
* If the configuration value is not set, the default value will be
* used.
*
* @pre defaultValue != null
* @post getValueAsLong(defaultValue) != null
*
* @param defaultValue The default value desired.
* @return long value of the <code>Configuration</code>, or default
* if none specified.
*/
long getValueAsLong( long defaultValue );
/**
* Returns the value of the configuration element as a <code>float</code>.
* If the configuration value is not set, the default value will be
* used.
*
* @pre defaultValue != null
* @post getValueAsFloat(defaultValue) != null
*
* @param defaultValue The default value desired.
* @return float value of the <code>Configuration</code>, or default
* if none specified.
*/
float getValueAsFloat( float defaultValue );
/**
* Returns the value of the configuration element as a <code>boolean</code>.
* If the configuration value is not set, the default value will be
* used.
*
* @pre defaultValue != null
* @post getValueAsBoolean(defaultValue) != null
*
* @param defaultValue The default value desired.
* @return boolean value of the <code>Configuration</code>, or default
* if none specified.
*/
boolean getValueAsBoolean( boolean defaultValue );
/**
* Returns the value of the attribute specified by its name as a
* <code>String</code>, or the default value if no attribute by
* that name exists or is empty.
*
* @pre name != null
* @pre defaultValue != null
* @post getAttribute(name, defaultValue) != null
*
* @param name The name of the attribute you ask the value of.
* @param defaultValue The default value desired.
* @return String value of attribute. It will return the default
* value if the named attribute does not exist, or if
* the value is not set.
*/
String getAttribute( String name, String defaultValue );
/**
* Returns the value of the attribute specified by its name as a
* <code>int</code>, or the default value if no attribute by
* that name exists or is empty.
*
* @pre name != null
* @pre defaultValue != null
* @post getAttributeAsInt(name, defaultValue) != null
*
* @param name The name of the attribute you ask the value of.
* @param defaultValue The default value desired.
* @return int value of attribute. It will return the default
* value if the named attribute does not exist, or if
* the value is not set.
*/
int getAttributeAsInt( String name, int defaultValue );
/**
* Returns the value of the attribute specified by its name as a
* <code>long</code>, or the default value if no attribute by
* that name exists or is empty.
*
* @pre name != null
* @pre defaultValue != null
* @post getAttributeAsLong(name, defaultValue) != null
*
* @param name The name of the attribute you ask the value of.
* @param defaultValue The default value desired.
* @return long value of attribute. It will return the default
* value if the named attribute does not exist, or if
* the value is not set.
*/
long getAttributeAsLong( String name, long defaultValue );
/**
* Returns the value of the attribute specified by its name as a
* <code>float</code>, or the default value if no attribute by
* that name exists or is empty.
*
* @pre name != null
* @pre defaultValue != null
* @post getAttributeAsFloat(name, defaultValue) != null
*
* @param name The name of the attribute you ask the value of.
* @param defaultValue The default value desired.
* @return float value of attribute. It will return the default
* value if the named attribute does not exist, or if
* the value is not set.
*/
float getAttributeAsFloat( String name, float defaultValue );
/**
* Returns the value of the attribute specified by its name as a
* <code>boolean</code>, or the default value if no attribute by
* that name exists or is empty.
*
* @pre name != null
* @pre defaultValue != null
* @post getAttributeAsBoolean(name, defaultValue) != null
*
* @param name The name of the attribute you ask the value of.
* @param defaultValue The default value desired.
* @return boolean value of attribute. It will return the default
* value if the named attribute does not exist, or if
* the value is not set.
*/
boolean getAttributeAsBoolean( String name, boolean defaultValue );
}
1.1
jakarta-avalon/src/compat/org/apache/avalon/ConfigurationBuilder.java
Index: ConfigurationBuilder.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
import java.io.IOException;
import org.xml.sax.SAXException;
/**
* The interface implemented to build configurations.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public interface ConfigurationBuilder
{
Configuration build( String resource )
throws SAXException, IOException, ConfigurationException;
}
1.1
jakarta-avalon/src/compat/org/apache/avalon/ConfigurationException.java
Index: ConfigurationException.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
/**
* Thrown when a <code>Configurable</code> component cannot be configured
* properly, or if a value cannot be retrieved properly.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Federico Barbieri</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Stefano Mazzocchi</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Pierpaolo Fumagalli</a>
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public final class ConfigurationException
extends CascadingException
{
/**
* Construct a new <code>ConfigurationException</code> instance.
*
* @param message The detail message for this exception.
*/
public ConfigurationException( final String message )
{
this( message, null );
}
/**
* Construct a new <code>ConfigurationException</code> instance.
*
* @param message The detail message for this exception.
* @param throwable the root cause of the exception
*/
public ConfigurationException( final String message, final Throwable throwable )
{
super( message, throwable );
}
}
1.1
jakarta-avalon/src/compat/org/apache/avalon/DefaultConfiguration.java
Index: DefaultConfiguration.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
/**
* This is the default <code>Configuration</code> implementation.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Federico Barbieri</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Stefano Mazzocchi</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Pierpaolo Fumagalli</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public class DefaultConfiguration
extends AbstractConfiguration
{
protected final static Iterator EMPTY_ITERATOR = (new
ArrayList(1)).iterator();
protected final String m_name;
protected final String m_location;
protected HashMap m_attributes;
protected ArrayList m_children;
protected String m_value;
/**
* Create a new <code>DefaultConfiguration</code> instance.
*/
public DefaultConfiguration( final String name, final String location )
{
m_name = name;
m_location = location;
}
/**
* Returns the name of this configuration element.
*/
public String getName()
{
return m_name;
}
/**
* Returns a description of location of element.
*/
public String getLocation()
{
return m_location;
}
/**
* Returns the value of the configuration element as a <code>String</code>.
*
* @exception ConfigurationException If the value is not present.
*/
public String getValue() throws ConfigurationException
{
if( null != m_value ) return m_value;
else
{
throw new ConfigurationException( "No value is associated with the "+
"configuration element \"" + getName()
+ "\"" );
}
}
/**
* Returns the value of the attribute specified by its name as a
* <code>String</code>.
*
* @exception ConfigurationException If the attribute is not present.
*/
public String getAttribute( final String name )
throws ConfigurationException
{
final String value =
(null != m_attributes) ? (String)m_attributes.get( name ) : null;
if( null != value ) return value;
else
{
throw new ConfigurationException( "No attribute named \"" + name + "\"
is " +
"associated with the configuration
element \"" +
getName() + "\"" );
}
}
/**
* Return the first <code>Configuration</code> object child of this
* associated with the given name. If none exists a new one of that name is
created.
*
* @param name The name of the required child <code>Configuration</code>.
*/
public Configuration getChild( final String name )
{
if( null == m_children )
{
return new DefaultConfiguration( name, "-" );
}
else
{
final int size = m_children.size();
for( int i = 0; i < size; i++ )
{
final Configuration configuration = (Configuration)m_children.get( i
);
if( name.equals( configuration.getName() ) )
{
return configuration;
}
}
return new DefaultConfiguration( name, "-" );
}
}
/**
* Return an <code>Enumeration</code> of <code>Configuration</code> objects
* children of this associated with the given name.
* <br>
* The returned <code>Enumeration</code> may be empty.
*
* @param name The name of the required children <code>Configuration</code>.
*/
public Iterator getChildren( final String name )
{
if( null == m_children ) return EMPTY_ITERATOR;
else
{
final ArrayList children = new ArrayList();
final int size = m_children.size();
for( int i = 0; i < size; i++ )
{
final Configuration configuration = (Configuration)m_children.get( i
);
if( name.equals( configuration.getName() ) )
{
children.add( configuration );
}
}
return children.iterator();
}
}
/**
* Append data to the value of this configuration element.
*/
public void appendValueData( final String value )
{
if( null == m_value )
{
m_value = value;
}
else
{
m_value = m_value + value;
}
}
/**
* Add an attribute to this configuration element, returning its old
* value or <b>null</b>.
*/
public String addAttribute( final String name, String value )
{
if( null == m_attributes ) m_attributes = new HashMap();
return (String) m_attributes.put( name, value );
}
/**
* Add a child <code>Configuration</code> to this configuration element.
*/
public void addChild( final Configuration configuration )
{
if( null == m_children )
{
m_children = new ArrayList();
}
m_children.add( configuration );
}
/**
* Return count of children.
*/
public int getChildCount()
{
if( null == m_children )
{
return 0;
}
return m_children.size();
}
}
1.1
jakarta-avalon/src/compat/org/apache/avalon/DefaultConfigurationBuilder.java
Index: DefaultConfigurationBuilder.java
===================================================================
/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE file.
*/
package org.apache.avalon;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
/**
* A SAXConfigurationBuilder builds configurations via SAX2 compliant parser.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Federico Barbieri</a>
* @author <a href="mailto:[EMAIL PROTECTED]">Peter Donald</a>
* @deprecated This has been deprecated in favour of configuration interface in
org.apache.avalon.configuration interface
*/
public class DefaultConfigurationBuilder
implements ConfigurationBuilder
{
protected final static String DEFAULT_PARSER =
"org.apache.xerces.parsers.SAXParser";
protected final static String PARSER =
System.getProperty("org.xml.sax.parser", DEFAULT_PARSER );
protected SAXConfigurationHandler m_handler;
protected XMLReader m_parser;
public DefaultConfigurationBuilder()
{
this( PARSER );
}
public DefaultConfigurationBuilder( final String parserClass )
{
//yaya the bugs with some compilers and final variables ..
m_handler = getHandler();
try
{
m_parser = XMLReaderFactory.createXMLReader( parserClass );
//m_parser.setFeature("http://xml.org/sax/features/namespace-prefixes",
true);
m_parser.setContentHandler( m_handler );
m_parser.setErrorHandler( m_handler );
}
catch( final SAXException se )
{
throw new Error( "Unable to setup SAX parser" + se );
}
}
protected SAXConfigurationHandler getHandler()
{
return new SAXConfigurationHandler();
}
public Configuration build( final String resource )
throws SAXException, IOException, ConfigurationException
{
final InputStream input = new FileInputStream( resource );
try { return build( input ); }
finally
{
try { input.close(); }
catch( final IOException ioe ) {}
}
}
public Configuration build( final InputStream inputStream )
throws SAXException, IOException, ConfigurationException
{
final InputSource inputSource = new InputSource( inputStream );
return build( inputSource );
}
public Configuration build( final InputSource input )
throws SAXException, IOException, ConfigurationException
{
m_handler.clear();
m_parser.parse( input );
return m_handler.getConfiguration();
}
}
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