src/share/jaxws_classes/com/sun/tools/internal/xjc/SchemaCache.java

changeset 0
373ffda63c9a
child 637
9c07ef4934dd
     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	Wed Apr 27 01:27:09 2016 +0800
     1.3 @@ -0,0 +1,76 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2013, 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.util.XmlFactory;
    1.38 +import javax.xml.XMLConstants;
    1.39 +import org.xml.sax.SAXException;
    1.40 +
    1.41 +import static com.sun.xml.internal.bind.v2.util.XmlFactory.allowExternalAccess;
    1.42 +
    1.43 +/**
    1.44 + * Wraps a JAXP {@link Schema} object and lazily instantiate it.
    1.45 + *
    1.46 + * This object is thread-safe. There should be only one instance of
    1.47 + * this for the whole VM.
    1.48 + *
    1.49 + * @author Kohsuke Kawaguchi
    1.50 + */
    1.51 +public final class SchemaCache {
    1.52 +
    1.53 +    private Schema schema;
    1.54 +
    1.55 +    private final URL source;
    1.56 +
    1.57 +    public SchemaCache(URL source) {
    1.58 +        this.source = source;
    1.59 +    }
    1.60 +
    1.61 +    public ValidatorHandler newValidator() {
    1.62 +        synchronized(this) {
    1.63 +            if(schema==null) {
    1.64 +                try {
    1.65 +                    // do not disable secure processing - these are well-known schemas
    1.66 +                    SchemaFactory sf = XmlFactory.createSchemaFactory(XMLConstants.W3C_XML_SCHEMA_NS_URI, false);
    1.67 +                    schema = allowExternalAccess(sf, "file", false).newSchema(source);
    1.68 +                } catch (SAXException e) {
    1.69 +                    // we make sure that the schema is correct before we ship.
    1.70 +                    throw new AssertionError(e);
    1.71 +                }
    1.72 +            }
    1.73 +        }
    1.74 +
    1.75 +        ValidatorHandler handler = schema.newValidatorHandler();
    1.76 +        return handler;
    1.77 +    }
    1.78 +
    1.79 +}

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