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September 19, 2017 18:34
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/* | |
* This build file was generated by the Gradle 'init' task. | |
* | |
* This generated file contains a commented-out sample Java project to get you started. | |
* For more details take a look at the Java Quickstart chapter in the Gradle | |
* user guide available at https://docs.gradle.org/4.1/userguide/tutorial_java_projects.html | |
*/ | |
// Apply the java plugin to add support for Java | |
apply plugin: 'java' | |
// In this section you declare where to find the dependencies of your project | |
repositories { | |
// Use 'jcenter' for resolving your dependencies. | |
// You can declare any Maven/Ivy/file repository here. | |
jcenter() | |
} | |
// In this section you declare the dependencies for your production and test code | |
dependencies { | |
// The production code uses the SLF4J logging API at compile time | |
compile 'org.slf4j:slf4j-api:1.7.25' | |
// https://mvnrepository.com/artifact/com.google.code.gson/gson | |
compile group: 'com.google.code.gson', name: 'gson', version: '2.8.1' | |
// Declare the dependency for your favourite test framework you want to use in your tests. | |
// TestNG is also supported by the Gradle Test task. Just change the | |
// testCompile dependency to testCompile 'org.testng:testng:6.8.1' and add | |
// 'test.useTestNG()' to your build script. | |
testCompile 'junit:junit:4.12' | |
} |
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[ | |
{ | |
"key_name_1": "val1" | |
}, | |
{ | |
"key_name_1": "val2" | |
}, | |
{ | |
"key_name_1": "val3" | |
}, | |
{ | |
"key_name_1": "val3" | |
} | |
] |
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class java.util.ArrayList | |
class com.google.gson.internal.LinkedTreeMap | |
class com.google.gson.internal.LinkedTreeMap | |
class com.google.gson.internal.LinkedTreeMap | |
class com.google.gson.internal.LinkedTreeMap | |
val1 | |
class java.util.ArrayList | |
class com.google.gson.internal.LinkedTreeMap |
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package snf; | |
import com.google.gson.Gson; | |
import org.junit.Test; | |
import java.io.BufferedReader; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.io.InputStreamReader; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.Map; | |
import java.util.StringJoiner; | |
public class ParsingTests { | |
String readFromInput(String resourceName) { | |
StringJoiner sj = new StringJoiner("\n"); | |
try (InputStream in = | |
ParsingTests.class.getResourceAsStream(resourceName)) { | |
BufferedReader br = | |
new BufferedReader(new InputStreamReader(in, "UTF-8")); | |
for (String line = br.readLine(); | |
line != null; | |
line = br.readLine()) { | |
sj.add(line); | |
} | |
} catch (IOException e) { | |
throw new RuntimeException(resourceName + " cannot be loaded.", e); | |
} | |
return sj.toString(); | |
} | |
@Test | |
public void testParsing() { | |
Gson gson = new Gson(); | |
List data = gson.fromJson(readFromInput("/first.json"), ArrayList.class); | |
System.out.println(data.getClass()); | |
data.stream().map( s -> s.getClass()).forEach(System.out::println); | |
} | |
@Test | |
public void testParsing2() { | |
Gson gson = new Gson(); | |
List data = gson.fromJson(readFromInput("/second.json"), ArrayList.class);Map layer2= (Map) data.get(0); System.out.println(layer2.get("key1")); | |
System.out.println(data.getClass()); | |
data.stream().map( s -> s.getClass()).forEach(System.out::println); | |
} | |
} |
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[ | |
{ | |
"key_name_1": "val3", | |
"key1": "val1", | |
"key2": "val2" | |
} | |
] |
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