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src/share/classes/com/sun/corba/se/impl/orb/PrefixParserAction.java@bfd167e38830 (annotated)

src/share/classes/com/sun/corba/se/impl/orb/PrefixParserAction.java

Mon, 28 May 2018 10:29:43 +0800

author

aoqi

date

Mon, 28 May 2018 10:29:43 +0800

changeset 1655

bfd167e38830

parent 748

6845b95cba6b

permissions

-rw-r--r--

Merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.corba.se.impl.orb ;
aoqi@0	27
aoqi@0	28	import org.omg.CORBA.INITIALIZE ;
aoqi@0	29
aoqi@0	30	import java.util.Properties ;
aoqi@0	31	import java.util.List ;
aoqi@0	32	import java.util.LinkedList ;
aoqi@0	33	import java.util.Iterator ;
aoqi@0	34
aoqi@0	35	import java.lang.reflect.Array ;
aoqi@0	36
aoqi@0	37	import com.sun.corba.se.spi.orb.Operation ;
aoqi@0	38	import com.sun.corba.se.spi.orb.StringPair ;
aoqi@0	39	import com.sun.corba.se.spi.logging.CORBALogDomains ;
aoqi@0	40
aoqi@0	41	import com.sun.corba.se.impl.orbutil.ObjectUtility ;
aoqi@0	42	import com.sun.corba.se.impl.logging.ORBUtilSystemException ;
aoqi@0	43
aoqi@0	44	public class PrefixParserAction extends ParserActionBase {
aoqi@0	45	private Class componentType ;
aoqi@0	46	private ORBUtilSystemException wrapper ;
aoqi@0	47
aoqi@0	48	public PrefixParserAction( String propertyName,
aoqi@0	49	Operation operation, String fieldName, Class componentType )
aoqi@0	50	{
aoqi@0	51	super( propertyName, true, operation, fieldName ) ;
aoqi@0	52	this.componentType = componentType ;
aoqi@0	53	this.wrapper = ORBUtilSystemException.get(
aoqi@0	54	CORBALogDomains.ORB_LIFECYCLE ) ;
aoqi@0	55	}
aoqi@0	56
aoqi@0	57	/** For each String s that matches the prefix given by getPropertyName(),
aoqi@0	58	* apply getOperation() to { suffix( s ), value }
aoqi@0	59	* and add the result to an Object[]
aoqi@0	60	* which forms the result of apply. Returns null if there are no
aoqi@0	61	* matches.
aoqi@0	62	*/
aoqi@0	63	public Object apply( Properties props )
aoqi@0	64	{
aoqi@0	65	String prefix = getPropertyName() ;
aoqi@0	66	int prefixLength = prefix.length() ;
aoqi@0	67	if (prefix.charAt( prefixLength - 1 ) != '.') {
aoqi@0	68	prefix += '.' ;
aoqi@0	69	prefixLength++ ;
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	List matches = new LinkedList() ;
aoqi@0	73
aoqi@0	74	// Find all keys in props that start with propertyName
aoqi@0	75	Iterator iter = props.keySet().iterator() ;
aoqi@0	76	while (iter.hasNext()) {
aoqi@0	77	String key = (String)(iter.next()) ;
aoqi@0	78	if (key.startsWith( prefix )) {
aoqi@0	79	String suffix = key.substring( prefixLength ) ;
aoqi@0	80	String value = props.getProperty( key ) ;
aoqi@0	81	StringPair data = new StringPair( suffix, value ) ;
aoqi@0	82	Object result = getOperation().operate( data ) ;
aoqi@0	83	matches.add( result ) ;
aoqi@0	84	}
aoqi@0	85	}
aoqi@0	86
aoqi@0	87	int size = matches.size() ;
aoqi@0	88	if (size > 0) {
aoqi@0	89	// Convert the list into an array of the proper type.
aoqi@0	90	// An Object[] as a result does NOT work. Also report
aoqi@0	91	// any errors carefully, as errors here or in parsers that
aoqi@0	92	// use this Operation often show up at ORB.init().
aoqi@0	93	Object result = null ;
aoqi@0	94	try {
aoqi@0	95	result = Array.newInstance( componentType, size ) ;
aoqi@0	96	} catch (Throwable thr) {
aoqi@0	97	throw wrapper.couldNotCreateArray( thr,
aoqi@0	98	getPropertyName(), componentType,
aoqi@0	99	new Integer( size ) ) ;
aoqi@0	100	}
aoqi@0	101
aoqi@0	102	Iterator iter2 = matches.iterator() ;
aoqi@0	103	int ctr = 0 ;
aoqi@0	104	while (iter2.hasNext()) {
aoqi@0	105	Object obj = iter2.next() ;
aoqi@0	106
aoqi@0	107	try {
aoqi@0	108	Array.set( result, ctr, obj ) ;
aoqi@0	109	} catch (Throwable thr) {
aoqi@0	110	throw wrapper.couldNotSetArray( thr,
aoqi@0	111	getPropertyName(), new Integer(ctr),
aoqi@0	112	componentType, new Integer(size),
aoqi@0	113	obj.toString() ) ;
aoqi@0	114	}
aoqi@0	115	ctr++ ;
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	return result ;
aoqi@0	119	} else
aoqi@0	120	return null ;
aoqi@0	121	}
aoqi@0	122	}