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• Url.java

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com.cloudinary.Url Maven / Gradle / Ivy

package com.cloudinary;

import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.CRC32;

import com.cloudinary.utils.Analytics;
import com.cloudinary.utils.Base64Coder;
import com.cloudinary.utils.ObjectUtils;
import com.cloudinary.utils.StringUtils;

import static com.cloudinary.SignatureAlgorithm.SHA256;

public class Url {
    private final Cloudinary cloudinary;
    private final Configuration config;
    private boolean longUrlSignature;
    String publicId = null;
    String type = null;
    String resourceType = null;
    String format = null;
    String version = null;
    Transformation transformation = null;
    boolean signUrl;
    private AuthToken authToken;
    String source = null;
    private String urlSuffix;
    private Boolean useRootPath;
    Map sourceTransformation = null;
    String[] sourceTypes = null;
    String fallbackContent = null;
    Transformation posterTransformation = null;
    String posterSource = null;
    Url posterUrl = null;

    private static final String CL_BLANK = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";
    public static final String[] DEFAULT_VIDEO_SOURCE_TYPES = {"webm", "mp4", "ogv"};
    private static final Pattern VIDEO_EXTENSION_RE = Pattern.compile("\\.(" + StringUtils.join(DEFAULT_VIDEO_SOURCE_TYPES, "|") + ")$");

    public Url(Cloudinary cloudinary) {
        this.cloudinary = cloudinary;
        this.config = new Configuration(cloudinary.config);
        this.longUrlSignature = config.longUrlSignature;
        this.authToken = config.authToken;
    }

    public Url clone() {
        Url cloned = cloudinary.url();
        cloned.config.update(config.asMap());
        cloned.fallbackContent = this.fallbackContent;
        cloned.format = this.format;
        cloned.posterSource = this.posterSource;
        if (this.posterTransformation != null)
            cloned.posterTransformation = new Transformation(this.posterTransformation);
        if (this.posterUrl != null) cloned.posterUrl = this.posterUrl.clone();
        cloned.publicId = this.publicId;
        cloned.resourceType = this.resourceType;
        cloned.signUrl = this.signUrl;
        cloned.source = this.source;
        if (this.transformation != null) cloned.transformation = new Transformation(this.transformation);
        if (this.sourceTransformation != null) {
            cloned.sourceTransformation = new HashMap();
            for (Map.Entry keyValuePair : this.sourceTransformation.entrySet()) {
                cloned.sourceTransformation.put(keyValuePair.getKey(), keyValuePair.getValue());
            }
        }
        cloned.sourceTypes = this.sourceTypes;
        cloned.urlSuffix = this.urlSuffix;
        cloned.useRootPath = this.useRootPath;
        cloned.longUrlSignature = this.longUrlSignature;
        return cloned;
    }

    private static Pattern identifierPattern = Pattern.compile("^(?:([^/]+)/)??(?:([^/]+)/)??(?:v(\\d+)/)?" + "(?:([^#/]+?)(?:\\.([^.#/]+))?)(?:#([^/]+))?$");

    /**
     * Parses a cloudinary identifier of the form:

     * {@code [/][/][v/][.][#]}
     */
    public Url fromIdentifier(String identifier) {
        Matcher matcher = identifierPattern.matcher(identifier);
        if (!matcher.matches()) {
            throw new RuntimeException(String.format("Couldn't parse identifier %s", identifier));
        }

        String resourceType = matcher.group(1);
        if (resourceType != null) {
            resourceType(resourceType);
        }

        String type = matcher.group(2);
        if (type != null) {
            type(type);
        }

        String version = matcher.group(3);
        if (version != null) {
            version(version);
        }

        String publicId = matcher.group(4);
        if (publicId != null) {
            publicId(publicId);
        }

        String format = matcher.group(5);
        if (format != null) {
            format(format);
        }

        // Signature (group 6) is not used

        return this;
    }

    public Url type(String type) {
        this.type = type;
        return this;
    }

    public Url resourcType(String resourceType) {
        return resourceType(resourceType);
    }

    public Url resourceType(String resourceType) {
        this.resourceType = resourceType;
        return this;
    }

    public Url publicId(Object publicId) {
        this.publicId = ObjectUtils.asString(publicId);
        return this;
    }

    public Url format(String format) {
        this.format = format;
        return this;
    }

    public Url cloudName(String cloudName) {
        this.config.cloudName = cloudName;
        return this;
    }

    public Url secureDistribution(String secureDistribution) {
        this.config.secureDistribution = secureDistribution;
        return this;
    }

    public Url secureCdnSubdomain(boolean secureCdnSubdomain) {
        this.config.secureCdnSubdomain = secureCdnSubdomain;
        return this;
    }

    public Url suffix(String urlSuffix) {
        this.urlSuffix = urlSuffix;
        return this;
    }

    public Url useRootPath(boolean useRootPath) {
        this.useRootPath = useRootPath;
        return this;
    }

    public Url cname(String cname) {
        this.config.cname = cname;
        return this;
    }

    public Url version(Object version) {
        this.version = ObjectUtils.asString(version);
        return this;
    }

    public Url transformation(Transformation transformation) {
        this.transformation = transformation;
        return this;
    }

    public Url secure(boolean secure) {
        this.config.secure = secure;
        return this;
    }

    public Url privateCdn(boolean privateCdn) {
        this.config.privateCdn = privateCdn;
        return this;
    }

    public Url cdnSubdomain(boolean cdnSubdomain) {
        this.config.cdnSubdomain = cdnSubdomain;
        return this;
    }

    public Url shorten(boolean shorten) {
        this.config.shorten = shorten;
        return this;
    }

    public Transformation transformation() {
        if (this.transformation == null)
            this.transformation = new Transformation();
        return this.transformation;
    }

    public Url signed(boolean signUrl) {
        this.signUrl = signUrl;
        return this;
    }

    /**
     * Set the authorization token. If authToken has already been set the parameter is merged with the current value unless the parameter value is null or NULL_AUTH_TOKEN.


     * For example, to generate an authorized URL with a different duration:

     * 
     *  {@code
     *   cloudinary.config.authToken = new AuthToken(KEY).duration(500);
     *   // later...
     *   cloudinary.url().signed(true).authToken(new AuthToken().duration(300))
     *                   .type("authenticated").version("1486020273").generate("sample.jpg");
     *  }
     * 
     *
     * @param authToken an authorization token object
     * @return this
     */
    public Url authToken(AuthToken authToken) {
        if (this.authToken == null) {
            this.authToken = authToken;
        } else if (authToken == null || authToken.equals(AuthToken.NULL_AUTH_TOKEN)) {
            this.authToken = authToken;
        } else {
            this.authToken = this.authToken.merge(authToken);
        }
        return this;
    }

    public Url longUrlSignature(boolean isLong) {
        this.longUrlSignature = isLong;
        return this;
    }

    public Url sourceTransformation(Map sourceTransformation) {
        this.sourceTransformation = sourceTransformation;
        return this;
    }

    public Url sourceTransformationFor(String source, Transformation transformation) {
        if (this.sourceTransformation == null) {
            this.sourceTransformation = new HashMap();
        }
        this.sourceTransformation.put(source, transformation);
        return this;
    }

    public Url sourceTypes(String[] sourceTypes) {
        this.sourceTypes = sourceTypes;
        return this;
    }

    public Url fallbackContent(String fallbackContent) {
        this.fallbackContent = fallbackContent;
        return this;
    }

    public Url posterTransformation(Transformation posterTransformation) {
        this.posterTransformation = posterTransformation;
        return this;
    }

    @SuppressWarnings("rawtypes")
    public Url posterTransformation(List