nl.vpro.domain.media.update.AssetLocation Maven / Gradle / Ivy

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The basic domain classes for 'media', the core of POMS. Also, the 'update' XML bindings for it. It also contains some closely related domain classes like the enum to contain NICAM kijkwijzer settings.

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/*
 * Copyright (C) 2013 Licensed under the Apache License, Version 2.0
 * VPRO The Netherlands
 */
package nl.vpro.domain.media.update;

import java.io.IOException;
import java.io.InputStream;
import java.net.*;

import jakarta.validation.constraints.NotNull;
import jakarta.xml.bind.annotation.XmlAccessType;
import jakarta.xml.bind.annotation.XmlAccessorType;
import jakarta.xml.bind.annotation.XmlElement;
import jakarta.xml.bind.annotation.XmlType;

import nl.vpro.domain.Xmlns;

/**
 * @author Roelof Jan Koekoek
 * @since 2.1
 */
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "assetLocationType", propOrder = {
    "url"
})
public class AssetLocation implements AssetSource {

    @XmlElement(namespace = Xmlns.UPDATE_NAMESPACE)
    @NotNull(message = "provide asset location")
    @nl.vpro.validation.URI
    private String url;

    private AssetLocation() {
    }

    public AssetLocation(String url) {
        this.url = url;
    }

    public void resolve(String basePath) throws URISyntaxException {
        if(this.url.contains("..")) {
            throw new SecurityException("Assets should reside in a sub-folder, navigating up is not allowed");
        }

        URI url = new URI(this.url);
        if(url.isAbsolute() && !"file".equals(url.getScheme())) {
            return;
        }

        if(url.getSchemeSpecificPart().startsWith("/")) {
            throw new IllegalArgumentException("Must provide a relative url for an asset");
        }

        URI base = new URI("file", null, basePath + '/', null);

        this.url = base.resolve(url.getSchemeSpecificPart()).toString();
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    @Override
    public InputStream getInputStream() {
        try {
            URL url = URI.create(this.url).toURL();
            URLConnection urlConnection = url.openConnection();

            if(urlConnection instanceof HttpURLConnection) {
                HttpURLConnection huc = (HttpURLConnection)url.openConnection();
                huc.setConnectTimeout(10000);
                huc.setReadTimeout(20000);
            }

            return urlConnection.getInputStream();
        } catch(IOException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public String toString() {
        return "AssetLocation" +
            "{url='" + url + '\'' +
            '}';
    }
}