de.hybris.platform.acceleratorservices.urldecoder.impl.BaseFrontendPathMatcherUrlDecoder.java Source code

Introduction

Here is the source code for de.hybris.platform.acceleratorservices.urldecoder.impl.BaseFrontendPathMatcherUrlDecoder.java

Source

/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2014 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 *
 *  
 */
package de.hybris.platform.acceleratorservices.urldecoder.impl;

import de.hybris.platform.acceleratorservices.urldecoder.FrontendUrlDecoder;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.util.PathMatcher;

/**
 * Match url pattern using a path Matcher pattern.
 * 
 * @param <T>
 */
public abstract class BaseFrontendPathMatcherUrlDecoder<T> implements FrontendUrlDecoder<T> {

    private static final Logger LOG = Logger.getLogger(BaseFrontendPathMatcherUrlDecoder.class);

    private PathMatcher pathMatcher;
    private String pathMatchPattern;

    @Override
    public T decode(final String urlIn) {
        final URL url;
        try {
            url = new URL(urlIn);
        } catch (final MalformedURLException e) {
            LOG.warn("unable to parse url [" + urlIn + "] as it was malformed");
            return null;
        }
        final int paramsIndex = StringUtils.indexOfAny(url.getPath(), ";?&");
        final String cleanedUrl = paramsIndex > -1 ? url.getPath().substring(0, paramsIndex) : url.getPath();
        if (getPathMatcher().match(getPathMatchPattern(), cleanedUrl)) {
            final Map<String, String> pathParams = getPathMatcher()
                    .extractUriTemplateVariables(getPathMatchPattern(), cleanedUrl);

            if (pathParams == null || pathParams.size() > 1) {
                LOG.warn("unable to extract id from path " + url.getPath() + " and pattern "
                        + getPathMatchPattern());
                return null;
            }
            return translateId(pathParams.get(pathParams.keySet().iterator().next()));
        }
        return null;
    }

    protected abstract T translateId(String id);

    /**
     * @param pathMatcher
     *           the pathMatcher to set
     */
    @Required
    public void setPathMatcher(final PathMatcher pathMatcher) {
        this.pathMatcher = pathMatcher;
    }

    /**
     * @return the pathMatcher
     */
    public PathMatcher getPathMatcher() {
        return pathMatcher;
    }

    /**
     * @param pathMatchPattern
     *           the pathMatchPattern to set
     */
    @Required
    public void setPathMatchPattern(final String pathMatchPattern) {
        this.pathMatchPattern = pathMatchPattern;
    }

    /**
     * @return the pathMatchPattern
     */
    public String getPathMatchPattern() {
        return pathMatchPattern;
    }
}