com.cubeia.backoffice.report.RequestBean.java Source code

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Here is the source code for com.cubeia.backoffice.report.RequestBean.java

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/**
 * Copyright (C) 2010 Cubeia Ltd <info@cubeia.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.cubeia.backoffice.report;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.lang.builder.ToStringBuilder;

public class RequestBean {

    public static RequestBean parse(HttpServletRequest req) {
        /*
         * Trim the path (which becomes the report name)
         */
        String path = trim(req.getPathInfo());
        /*
         * check the format and do default if needed
         */
        String form = req.getParameter("format");
        if (form == null) {
            form = Format.CSV.name();
        }
        /*
         * Convert parameter map to a simple string-string map
         */
        @SuppressWarnings("rawtypes")
        Map params = req.getParameterMap();
        Map<String, String> tmp = new HashMap<String, String>(params.size());
        for (Object key : params.keySet()) {
            tmp.put(key.toString(), req.getParameter(key.toString()));
        }
        /*
         * Continue parsing
         */
        return parse(path, tmp, form);
    }

    @SuppressWarnings("rawtypes")
    public static RequestBean parse(String name, Map params, String format) {
        Map<String, String> map = checkParameters(params);
        Format f = Format.valueOf(format.toUpperCase());
        if (f == null)
            throw new IllegalArgumentException("Unknown format: " + format);
        return new RequestBean(name, map, f);
    }

    @SuppressWarnings("rawtypes")
    private static Map<String, String> checkParameters(Map p) {
        Map<String, String> m = new HashMap<String, String>(p.size());
        for (Object o : p.keySet()) {
            String key = o.toString();
            if (key.startsWith("param:")) {
                key = key.substring(6);
                Object v = p.get(o);
                m.put(key, v.toString());
            }
        }
        return m;
    }

    static String trim(String info) {
        if (info.startsWith("/")) {
            info = info.substring(1, info.length());
        }
        if (info.endsWith("/")) {
            info = info.substring(0, info.length() - 1);
        }
        return info;
    }

    private String name;
    private Map<String, String> params;
    private Format format;

    RequestBean(String name, Map<String, String> params, Format format) {
        this.name = name;
        this.params = params;
        this.format = format;
    }

    public void setFormat(Format format) {
        this.format = format;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setParams(Map<String, String> params) {
        this.params = params;
    }

    public String getName() {
        return name;
    }

    public Map<String, String> getParams() {
        return params;
    }

    public Format getFormat() {
        return format;
    }

    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this);
    }

    @Override
    public boolean equals(Object obj) {
        return EqualsBuilder.reflectionEquals(this, obj);
    }

    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this);
    }
}