io.milton.servlet.UrlResource.java Source code

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Here is the source code for io.milton.servlet.UrlResource.java

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/*
 * Copyright 2012 McEvoy Software Ltd.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.milton.servlet;

import io.milton.common.ContentTypeUtils;
import io.milton.http.Auth;
import io.milton.http.LockToken;
import io.milton.http.Range;
import io.milton.http.Request;
import io.milton.resource.GetableResource;
import io.milton.resource.Resource;
import java.io.*;
import java.net.URL;
import java.util.Date;
import java.util.Map;
import org.apache.commons.io.IOUtils;

/**
 *
 * @author brad
 */
public class UrlResource implements GetableResource {
    private final String name;
    private final URL resource;
    private final String contentType;
    private final Date modDate;

    public UrlResource(String name, URL resource, String contentType, Date modDate) {
        this.resource = resource;
        this.name = name;
        this.contentType = contentType;
        this.modDate = modDate;
    }

    @Override
    public String getUniqueId() {
        return null;
    }

    public int compareTo(Resource res) {
        return this.getName().compareTo(res.getName());
    }

    @Override
    public void sendContent(OutputStream out, Range range, Map<String, String> params, String contentType)
            throws IOException {
        InputStream in = null;
        try {
            in = resource.openStream();
            BufferedInputStream bin = new BufferedInputStream(in);
            final byte[] buffer = new byte[1024];
            int n = 0;
            while (-1 != (n = bin.read(buffer))) {
                out.write(buffer, 0, n);
            }
        } finally {
            IOUtils.closeQuietly(in);
        }
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public Object authenticate(String user, String password) {
        return "ok";
    }

    @Override
    public boolean authorise(Request request, Request.Method method, Auth auth) {
        return true;
    }

    @Override
    public String getRealm() {
        return "milton.io"; // will never be used because authorise is always true
    }

    @Override
    public Date getModifiedDate() {
        return modDate;
    }

    @Override
    public Long getContentLength() {
        return null;
    }

    @Override
    public String getContentType(String preferredList) {
        return ContentTypeUtils.findAcceptableContentTypeForName(getName(), contentType);
    }

    @Override
    public String checkRedirect(Request request) {
        return null;
    }

    @Override
    public Long getMaxAgeSeconds(Auth auth) {
        Long ll = 315360000l; // immutable
        return ll;
    }
}