com.crashnote.servlet.config.ServletConfigFactory Maven / Gradle / Ivy

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/**
 * Copyright (C) 2011 - 101loops.com 
 *
 * 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 com.crashnote.servlet.config;

import com.crashnote.logger.config.LoggerConfigFactory;

import javax.servlet.FilterConfig;
import java.util.*;

public class ServletConfigFactory
    extends LoggerConfigFactory {

    private final FilterConfig filterConfig;

    // SETUP ======================================================================================

    public ServletConfigFactory(final FilterConfig filterConfig) {
        this(filterConfig, (C) new ServletConfig());
    }

    protected ServletConfigFactory(final FilterConfig filterConfig, final C internalConfig) {
        super(internalConfig);
        this.filterConfig = filterConfig;
    }

    @Override
    protected void loadExt() {
        // first: gather properties from filter config
        if (filterConfig != null) {
            final Properties props = new Properties();
            final Enumeration params = filterConfig.getInitParameterNames();
            while (params.hasMoreElements()) {
                final String name = (String) params.nextElement();
                final String value = filterConfig.getInitParameter(name);
                props.setProperty(name, value);
            }
            applyProperties(props, false);
        }

        // then: load other props
        super.loadExt();
    }

    // SHARED =====================================================================================

    @Override
    protected void applyProperties(final Properties props, final boolean strict) {
        super.applyProperties(props, strict);

        config.setSkipHeaderData(getProperty(props, ServletConfig.PROP_REP_HEADER_SKIP, strict));
        config.setSkipSessionData(getProperty(props, ServletConfig.PROP_REP_SESSION_SKIP, strict));
        config.setSkipRemoteIP(getProperty(props, ServletConfig.PROP_REP_IP_SKIP, strict));

        final String filterProp = getProperty(props, ServletConfig.PROP_REP_REQ_FILTER, strict);
        if (filterProp != null) {
            final String[] filters = filterProp.split(",");
            for (final String filter : filters) {
                config.addRequestFilter(filter);
            }
        }
    }

}