Yaml - SnakeYaml Library (Java)
Table of Contents
1 - About
SnakeYaml is a java library that manages yaml document.
2 - Articles Related
3 - Example
3.1 - Object Serialization
Object to read or write must be:
- a java bean (ie getter and setter + public properties)
- a LinkedList
- a HashMap
3.1.1 - Read
Log file:
---
Time: 2001-11-23 15:01:42 -5
User: ed
Warning:
This is an error message
for the log file
---
Time: 2001-11-23 15:02:31 -5
User: ed
Warning:
A slightly different error
message.
---
Date: 2001-11-23 15:03:17 -5
User: ed
Fatal:
Unknown variable "bar"
Stack:
- file: TopClass.py
line: 23
code: |
x = MoreObject("345\n")
- file: MoreClass.py
line: 58
code: |-
foo = bar
With SnakeYaml, the data object are LinkedList.
- Dependency:
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>1.20</version>
</dependency>
- Code
public void testLoadManyDocuments() throws FileNotFoundException {
InputStream input = new FileInputStream(new File(
"src/test/resources/specification/example2_28.yaml"));
Yaml yaml = new Yaml();
for (Object data : yaml.loadAll(input)) {
System.out.println(data);
}
}
{Time=Fri Nov 23 21:01:42 CET 2001, User=ed, Warning=This is an error message for the log file}
{Time=Fri Nov 23 21:02:31 CET 2001, User=ed, Warning=A slightly different error message.}
{Date=Fri Nov 23 21:03:17 CET 2001, User=ed, Fatal=Unknown variable "bar", Stack=[{file=TopClass.py, line=23, code=x = MoreObject("345\n")
}, {file=MoreClass.py, line=58, code=foo = bar}]}
where: