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blrosablrosa
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‎.gitignore‎

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.idea
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urlencoder.iml
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target/

‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>br.com.quintoandar</groupId>
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<artifactId>urlencoder</artifactId>
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<version>1.0-SNAPSHOT</version>
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<dependencies>
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<dependency>
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<groupId>javax.ws.rs</groupId>
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<artifactId>javax.ws.rs-api</artifactId>
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<version>${rs-api.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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<version>${commons-lang3.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<version>${httpclient.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jboss.resteasy</groupId>
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<artifactId>resteasy-jaxrs</artifactId>
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<version>${resteasy-jaxrs.version}</version>
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</dependency>
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<dependency>
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<groupId>org.jboss.resteasy</groupId>
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<artifactId>resteasy-client</artifactId>
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<version>${resteasy-client.version}</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>${lombok.version}</version>
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</dependency>
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</dependencies>
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<properties>
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<rs-api.version>2.1</rs-api.version>
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<commons-lang3.version>3.7</commons-lang3.version>
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<httpclient.version>4.5.5</httpclient.version>
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<resteasy-jaxrs.version>3.1.4.Final</resteasy-jaxrs.version>
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<resteasy-client.version>3.1.4.Final</resteasy-client.version>
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<lombok.version>1.16.20</lombok.version>
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</properties>
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</project>

‎src/main/java/br/com/quintoandar/urlencoder/UrlEncoder.java‎

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package br.com.quintoandar.urlencoder;
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import java.util.Map;
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import java.util.Random;
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import lombok.NonNull;
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import org.apache.commons.lang3.RandomStringUtils;
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public class UrlEncoder {
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private YourlsApiService service;
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private int keywordLength;
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private String signature;
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private boolean withEnvironment;
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private String environment;
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public UrlEncoder(@NonNull String uri, @NonNull int keywordLength,
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@NonNull String signature) {
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this.service = new YourlsApiService(uri);
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this.keywordLength = keywordLength;
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this.signature = signature;
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this.withEnvironment = false;
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}
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public UrlEncoder(String uri, int keywordLength, String signature,
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@NonNull String environment) {
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this(uri, keywordLength, signature);
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this.withEnvironment = true;
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this.environment = String.format("%s-", environment);
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}
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public String encodeURL(@NonNull String urlToEncode) {
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return encodeURL(urlToEncode, null, false);
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}
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public String encodeURLWithSufix(String urlToEncode, @NonNull String keyword) {
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return encodeURL(urlToEncode, keyword, true);
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}
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private String encodeURL(String urlToEncode, String keyword, boolean overwrite) {
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keyword = keyword == null ? generateRandomAlphanumeric() : keyword;
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String keywordWithPrefix = this.environment + keyword;
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keywordWithPrefix = keywordWithPrefix.toLowerCase();
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Map<String, Object> map = this.service.getInstance()
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.shorturl(signature, "shorturl", "json", urlToEncode, keywordWithPrefix,
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"URL Shortned via QuinToUrlEncoder.java");
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if (map.get("status").equals("fail")) {
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if (map.get("message").toString().equalsIgnoreCase(
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"Short URL " + keywordWithPrefix + " already exists in database or is reserved")) {
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if (overwrite && keyword != null) {
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this.service.getInstance()
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.delete(signature, YourlsApi.ACTION_DELETE, YourlsApi.FORMAT_JSON, keywordWithPrefix);
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return encodeURL(urlToEncode, keyword, overwrite);
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}
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if (!overwrite && keyword == null) {
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return encodeURL(urlToEncode, null, overwrite);
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}
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}
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}
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if (map != null && map.containsKey("shorturl")) {
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return map.get("shorturl").toString();
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}
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return null;
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}
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public String encodeURLWithHash(String urlToEncode, String hashLoginBypass, String prefix) {
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int tamHashEncurtado = 6;
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StringBuilder keyword = new StringBuilder(prefix);
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if (hashLoginBypass != null && hashLoginBypass.length() >= tamHashEncurtado) {
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int ini = (new Random()).nextInt(hashLoginBypass.length() - tamHashEncurtado);
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keyword.append("-" + hashLoginBypass.substring(ini, ini + tamHashEncurtado));
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}
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return encodeURL(urlToEncode, keyword.toString(), true);
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}
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public String encodeWithMultipleTries(String urlToEncode, String hashLoginBypass, String prefix,
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int maxTries) {
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int tries = 0;
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while (tries < maxTries) {
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try {
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return encodeURLWithHash(urlToEncode, hashLoginBypass, prefix);
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} catch (Exception e) {
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tries++;
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}
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}
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throw new RuntimeException(
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String.format("Url shortning unavailable: tried %d", maxTries));
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}
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private String generateRandomAlphanumeric() {
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return RandomStringUtils.randomAlphanumeric(keywordLength).toLowerCase();
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}
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}

‎src/main/java/br/com/quintoandar/urlencoder/YourlsApi.java‎

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package br.com.quintoandar.urlencoder;
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import java.util.Map;
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import javax.ws.rs.Consumes;
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import javax.ws.rs.DefaultValue;
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import javax.ws.rs.GET;
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import javax.ws.rs.Path;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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import javax.ws.rs.core.MediaType;
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public interface YourlsApi {
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String ACTION_SHORTURL = "shorturl";
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String FORMAT_JSON = "json";
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String ACTION_DELETE = "delete";
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@GET
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@Path("/yourls-api.php")
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@Produces({MediaType.APPLICATION_JSON, "text/javascript",
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MediaType.APPLICATION_JSON + "; charset=UTF-8",
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"text/javascript; charset=UTF-8", "*/*"})
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@Consumes({MediaType.APPLICATION_FORM_URLENCODED})
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Map<String, Object> shorturl(@QueryParam("signature") String signature,
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@QueryParam("action") @DefaultValue(ACTION_SHORTURL) String action,
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@QueryParam("format") @DefaultValue(FORMAT_JSON) String format, @QueryParam("url") String url,
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@QueryParam("keyword") String keyword, @QueryParam("title") String title);
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@GET
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@Path("/yourls-api.php")
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@Produces({MediaType.APPLICATION_JSON, "text/javascript",
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MediaType.APPLICATION_JSON + "; charset=UTF-8",
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"text/javascript; charset=UTF-8", "*/*"})
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@Consumes({MediaType.APPLICATION_FORM_URLENCODED})
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Map<String, Object> delete(@QueryParam("signature") String signature,
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@QueryParam("action") @DefaultValue(ACTION_DELETE) String action,
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@QueryParam("format") @DefaultValue(FORMAT_JSON) String format,
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@QueryParam("shorturl") String keyword);
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}

‎src/main/java/br/com/quintoandar/urlencoder/YourlsApiService.java‎

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package br.com.quintoandar.urlencoder;
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import lombok.Getter;
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import org.jboss.resteasy.client.jaxrs.ResteasyClient;
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import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder;
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import org.jboss.resteasy.client.jaxrs.ResteasyWebTarget;
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public class YourlsApiService {
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@Getter
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private YourlsApi instance;
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public YourlsApiService(String uri) {
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this.instance = createService(uri);
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}
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private YourlsApi createService(String uri) {
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ResteasyClient client = new ResteasyClientBuilder().build();
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ResteasyWebTarget target = client.target(uri);
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return target.proxy(YourlsApi.class);
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}
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}

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