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thangpt2019thangpt2019
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added download file with OkHttp
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‎okhttp-examples/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" output="target/classes" path="src/main/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" output="target/test-classes" path="src/test/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>

‎okhttp-examples/.gitignore‎

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/target/

‎okhttp-examples/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>okhttp-examples</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.m2e.core.maven2Builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.m2e.core.maven2Nature</nature>
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</natures>
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</projectDescription>

‎okhttp-examples/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" 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>com.howtoprogram.okhttp</groupId>
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<artifactId>okhttp-examples</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>OkHttp Examples and Tutorials</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.squareup.okhttp3</groupId>
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<artifactId>okhttp</artifactId>
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<version>3.4.1</version>
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</dependency>
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</dependencies>
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</project>

‎okhttp-examples/src/main/java/com/howtoprogram/okhttp/download/DownloadServiceImplOkHttp.java‎

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package com.howtoprogram.okhttp.download;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import okhttp3.Call;
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import okhttp3.Callback;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.Response;
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public class DownloadServiceImplOkHttp {
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public void downloadFileSync(String downloadUrl) throws Exception {
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OkHttpClient client = new OkHttpClient();
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Request request = new Request.Builder().url(downloadUrl).build();
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Response response = client.newCall(request).execute();
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if (!response.isSuccessful()) {
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throw new IOException("Failed to download file: " + response);
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}
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FileOutputStream fos = new FileOutputStream("d:/tmp.txt");
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fos.write(response.body().bytes());
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fos.close();
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}
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public void downloadFileAsync(final String downloadUrl) throws Exception {
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OkHttpClient client = new OkHttpClient();
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Request request = new Request.Builder().url(downloadUrl).build();
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client.newCall(request).enqueue(new Callback() {
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public void onFailure(Call call, IOException e) {
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e.printStackTrace();
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}
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public void onResponse(Call call, Response response) throws IOException {
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if (!response.isSuccessful()) {
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throw new IOException("Failed to download file: " + response);
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}
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FileOutputStream fos = new FileOutputStream("d:/tmp.txt");
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fos.write(response.body().bytes());
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fos.close();
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}
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});
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}
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}

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