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<!-- jackson begin -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.1.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.1.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.1.4</version>
</dependency>
<!-- jackson end --> <dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.5</version>
</dependency>
public static void jsonLeaf(JsonNode node)
{
if (node.isValueNode())
{
System.out.println(node.toString());
return;
} if (node.isObject())
{
Iterator<Entry<String, JsonNode>> it = node.fields();
while (it.hasNext())
{
Entry<String, JsonNode> entry = it.next();
jsonLeaf(entry.getValue());
}
} if (node.isArray())
{
Iterator<JsonNode> it = node.iterator();
while (it.hasNext())
{
jsonLeaf(it.next());
}
}
} public static void main(String[] args)
{
try
{
String json = FileUtils.readFileToString(new File("C://test.json"), "UTF-8");
ObjectMapper jackson = new ObjectMapper();
JsonNode node = jackson.readTree(txt);
jsonLeaf(node);
}
catch(Exception e)
{
e.printStackTrace();
}
}