1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/com/sun/tools/internal/xjc/SchemaCache.java Tue Mar 06 16:09:35 2012 -0800 1.3 @@ -0,0 +1,72 @@ 1.4 +/* 1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +package com.sun.tools.internal.xjc; 1.30 + 1.31 +import java.net.URL; 1.32 + 1.33 +import javax.xml.validation.Schema; 1.34 +import javax.xml.validation.SchemaFactory; 1.35 +import javax.xml.validation.ValidatorHandler; 1.36 + 1.37 +import com.sun.xml.internal.bind.v2.WellKnownNamespace; 1.38 + 1.39 +import org.xml.sax.SAXException; 1.40 + 1.41 +/** 1.42 + * Wraps a JAXP {@link Schema} object and lazily instantiate it. 1.43 + * 1.44 + * This object is thread-safe. There should be only one instance of 1.45 + * this for the whole VM. 1.46 + * 1.47 + * @author Kohsuke Kawaguchi 1.48 + */ 1.49 +public final class SchemaCache { 1.50 + 1.51 + private Schema schema; 1.52 + 1.53 + private final URL source; 1.54 + 1.55 + public SchemaCache(URL source) { 1.56 + this.source = source; 1.57 + } 1.58 + 1.59 + public ValidatorHandler newValidator() { 1.60 + synchronized(this) { 1.61 + if(schema==null) { 1.62 + try { 1.63 + schema = SchemaFactory.newInstance(WellKnownNamespace.XML_SCHEMA).newSchema(source); 1.64 + } catch (SAXException e) { 1.65 + // we make sure that the schema is correct before we ship. 1.66 + throw new AssertionError(e); 1.67 + } 1.68 + } 1.69 + } 1.70 + 1.71 + ValidatorHandler handler = schema.newValidatorHandler(); 1.72 + return handler; 1.73 + } 1.74 + 1.75 +}