org.wicketstuff.mergedresources.versioning.WicketVersion.java Source code

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Here is the source code for org.wicketstuff.mergedresources.versioning.WicketVersion.java

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/**
 * Copyright 2010 Molindo GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.wicketstuff.mergedresources.versioning;

import org.apache.wicket.Application;

public class WicketVersion extends AbstractResourceVersion {
    private static final long serialVersionUID = 1L;

    private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(WicketVersion.class);

    private String _version;

    public WicketVersion(Application application) {
        _version = application.getFrameworkSettings().getVersion();
        if ("n/a".equals(_version)) {
            log.info("failed to determine wicket framework version");
            _version = null;
        }
    }

    @Override
    protected int compareValid(AbstractResourceVersion o) throws IncompatibleVersionsException {
        if (o instanceof WicketVersion) {
            return 0;
        } else {
            throw new IncompatibleVersionsException(this, o);
        }
    }

    @Override
    public String getVersion() {
        return _version;
    }

    @Override
    public boolean isValid() {
        return _version != null;
    }

}