com.bstek.dorado.web.resolver.WebFileResolver.java Source code

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Here is the source code for com.bstek.dorado.web.resolver.WebFileResolver.java

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/*
 * This file is part of Dorado 7.x (http://dorado7.bsdn.org).
 * 
 * Copyright (c) 2002-2012 BSTEK Corp. All rights reserved.
 * 
 * This file is dual-licensed under the AGPLv3 (http://www.gnu.org/licenses/agpl-3.0.html) 
 * and BSDN commercial (http://www.bsdn.org/licenses) licenses.
 * 
 * If you are unsure which license is appropriate for your use, please contact the sales department
 * at http://www.bstek.com/contact.
 */

package com.bstek.dorado.web.resolver;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;

import com.bstek.dorado.core.Configure;
import com.bstek.dorado.core.io.Resource;
import com.bstek.dorado.util.PathUtils;
import com.bstek.dorado.web.DoradoContext;

/**
 * ??
 * 
 * @author Benny Bao (mailto:benny.bao@bstek.com)
 * @since Sep 24, 2008
 */
public class WebFileResolver extends AbstractWebFileResolver {
    public static final Resource[] EMPTY_RESOURCES = new Resource[0];

    private static final String RESOURCE_PREFIX_DELIM = ";,\n\r";

    String baseUri;
    String resourcePrefix;

    /**
     * URI
     */
    public void setBaseUri(String baseUri) {
        if (baseUri != null) {
            if (baseUri.charAt(0) == PathUtils.PATH_DELIM) {
                baseUri = baseUri.substring(1);
            }
            if (baseUri.length() > 0 && baseUri.charAt(baseUri.length() - 1) != PathUtils.PATH_DELIM) {
                baseUri += PathUtils.PATH_DELIM;
            }
        }
        this.baseUri = baseUri;
    }

    /**
     * ??
     */
    public void setResourcePrefix(String resourcePrefix) {
        this.resourcePrefix = resourcePrefix;
    }

    public String getResourcePrefix() {
        return resourcePrefix;
    }

    @Override
    protected ResourcesWrapper createResourcesWrapper(HttpServletRequest request, DoradoContext context)
            throws Exception {
        String path = getRelativeRequestURI(request);
        if (StringUtils.isNotEmpty(baseUri)) {
            path = path.substring(baseUri.length());
        }

        String resourcePrefix = getResourcePrefix();
        String resourceSuffix = getUriSuffix(request);
        path = path.substring(0, path.length() - resourceSuffix.length());
        Resource[] resources = getResourcesByFileName(context, resourcePrefix, path, resourceSuffix);
        return new ResourcesWrapper(resources, getResourceTypeManager().getResourceType(resourceSuffix));
    }

    protected Resource[] getResourcesByFileName(DoradoContext context, String resourcePrefix, String fileName,
            String resourceSuffix) throws Exception {
        String path;
        Resource[] resources = null;
        if ("debug".equals(Configure.getString("core.runMode")) && resourcePrefix != null
                && StringUtils.indexOfAny(resourcePrefix, RESOURCE_PREFIX_DELIM) >= 0) {
            String[] prefixs = StringUtils.split(resourcePrefix, RESOURCE_PREFIX_DELIM);
            for (String prefix : prefixs) {
                boolean allExists = true;
                path = PathUtils.concatPath(prefix, fileName);
                if (resourceSuffix != null) {
                    path = path + resourceSuffix;
                }
                resources = context.getResources(path);
                if (resources != null && resources.length > 0) {
                    for (int i = 0; i < resources.length; i++) {
                        Resource resource = resources[i];
                        if (!resource.exists()) {
                            allExists = false;
                            break;
                        }
                    }
                }
                if (allExists) {
                    break;
                }
            }
        } else {
            path = PathUtils.concatPath(resourcePrefix, fileName);
            if (resourceSuffix != null) {
                path = path + resourceSuffix;
            }
            resources = context.getResources(path);
        }
        return resources;
    }
}