/*******************************************************************************
 * Copyright (c) 2012-2016 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.everrest.core.impl;

import org.everrest.core.BaseObjectModel;
import org.everrest.core.FilterDescriptor;
import org.everrest.core.impl.resource.PathValue;
import org.everrest.core.uri.UriPattern;

import javax.ws.rs.Path;

/**
 * @author andrew00x
 */
public class FilterDescriptorImpl extends BaseObjectModel implements FilterDescriptor {
    public static final String DEFAULT_PATH = "/{path:.*}";
    /** @see PathValue */
    private final PathValue path;

    /** @see UriPattern */
    private final UriPattern uriPattern;

    /**
     * @param filterClass
     *         filter class
     */
    public FilterDescriptorImpl(Class<?> filterClass) {
        super(filterClass);
        final String p = PathValue.getPath(filterClass.getAnnotation(Path.class));
        if (p != null) {
            this.path = new PathValue(p);
            this.uriPattern = new UriPattern(p);
        } else {
            this.path = new PathValue(DEFAULT_PATH);
            this.uriPattern = new UriPattern(DEFAULT_PATH);
        }
    }

    /**
     * @param filter
     *         filter
     */
    public FilterDescriptorImpl(Object filter) {
        super(filter);
        final String p = PathValue.getPath(filter.getClass().getAnnotation(Path.class));
        if (p != null) {
            this.path = new PathValue(p);
            this.uriPattern = new UriPattern(p);
        } else {
            this.path = new PathValue(DEFAULT_PATH);
            this.uriPattern = new UriPattern(DEFAULT_PATH);
        }
    }

    @Override
    public PathValue getPathValue() {
        return path;
    }

    @Override
    public UriPattern getUriPattern() {
        return uriPattern;
    }

    @Override
    public String toString() {
        return "[ FilterDescriptorImpl: " + "path: " + getPathValue() + "; filter class: " + getObjectClass() + "; " +
               getConstructorDescriptors() + "; " + getFieldInjectors() + " ]";
    }
}