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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.tools.internal.ws.wsdl.framework;

Maintains wsdl:location context. This is used with
TWSDLParserContextImpl, where one each WSDL being imported its location is pushed.
Author:
WS Development Team/**
 *
 * Maintains wsdl:location context. This is used with
 * TWSDLParserContextImpl, where one each WSDL being imported its location is pushed.
 *
 * @author WS Development Team
 */
public class WSDLLocation {
    WSDLLocation() {
        reset();
    }

    public void push() {
        int max = contexts.length;
        idPos++;
        if (idPos >= max) {
            LocationContext newContexts[] = new LocationContext[max * 2];
            System.arraycopy(contexts, 0, newContexts, 0, max);
            contexts = newContexts;
        }
        currentContext = contexts[idPos];
        if (currentContext == null) {
            contexts[idPos] = currentContext = new LocationContext();
        }
    }

    public void pop() {
        idPos--;
        if (idPos >= 0) {
            currentContext = contexts[idPos];
        }
    }

    public final void reset() {
        contexts = new LocationContext[32];
        idPos = 0;
        contexts[idPos] = currentContext = new LocationContext();
    }

    public String getLocation() {
        return currentContext.getLocation();
    }

    public void setLocation(String loc) {
        currentContext.setLocation(loc);
    }

    private LocationContext[] contexts;
    private int idPos;
    private LocationContext currentContext;

    // LocationContext - inner class
    private static class LocationContext {
        void setLocation(String loc) {
            location = loc;
        }

        String getLocation() {
            return location;
        }

        private String location;
    }
}