SnakeYAML is a YAML parser and emitter for the Java programming language.
Questions tagged [snakeyaml]
395 questions
7
votes
1 answer
Polymorphic collections in SnakeYaml
My intention is to have polymorphic collections like the ones in JSON using jackson, maybe with the help of tags.
I can't seem to able to configure it properly tho.
My yaml file is:
!person
age: 27
job: dev
name: me
skills:
- !devSkill {
…

MLProgrammer-CiM
- 17,231
- 5
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7
votes
1 answer
Java and YAML: how to parse multiple yaml documents and merge them to a single YAML representation?
Let's say I have one file, defaults.yaml:
pool:
idleConnectionTestPeriodSeconds: 30
idleMaxAgeInMinutes: 60
partitionCount: 4
acquireIncrement: 5
username: dev
password: dev_password
and another file, production.yaml:
pool:
username:…

Les Hazlewood
- 18,480
- 13
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- 76
7
votes
2 answers
Load .yml file into hashmaps using snakeyaml (import junit library)
I am trying to load opencv's .yml file into arrayLists mean, projection and labels. I ve create those three arraylists and I am trying to parse into them the elements from the .yml file. I ve found snakeYAML documentation . However I didnt find a…

snake plissken
- 2,649
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7
votes
0 answers
Can't construct a java object for tag:yaml.org,2002:
When I am trying to create an object from a data file, I am getting the following exception while assest class is present. I have tried with dum; it was able to dump the data but when I have tried to read same data I am getting the following…

user1047873
- 230
- 3
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- 28
7
votes
1 answer
Adding a Comment to a Node With SnakeYaml
As part of a large project I am working on, I am constructing a YAML file in memory, and then dumping it to a file, using SnakeYaml in this entire process. My YAML file is around 500 lines long and meant to be used by people who have no programming…

Xyene
- 2,304
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- 36
6
votes
2 answers
How can I control yaml indentation using SnakeYaml during dumping?
I am using snakeyaml library to parse yaml files, and dump it later from xml. I was wondering if there is any way to control final yaml indentation. For example, list in final file will look like this:
list:
- "first item"
- "second item"
I would…

Adrian Kaczmarek
- 147
- 9
6
votes
1 answer
SnakeYAML formatting - remove YAML curly brackets
I have a code that is dumping a linkedhashmap into a YAML object
public class TestDump {
public static void main(String[] args) {
LinkedHashMap values = new LinkedHashMap();
values.put("one", 1);
…

Mark Estrada
- 9,013
- 37
- 119
- 186
6
votes
1 answer
How to define a Map in a YAML file in the Play! framework?
I'm using the Play! framework and I have a model (an Entity) that has a variable of type Map.
To make some tests, I load a YAML file every time I start the application, but I don't know the syntax to define a Map.
Let's say I have this class
public…

Marc-François
- 3,900
- 3
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- 47
6
votes
2 answers
Loading multiple YAML files (using @ConfigurationProperties?)
Using Spring Boot 1.3.0.RELEASE
I have a couple of yaml files that describe several instances of a program. I now want to parse all those files into a List (Map, whatever), so I can later on search for the most appropriate instance for a…

Alex
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6
votes
1 answer
Deserialize yaml to list of objects
Say I have a Yaml file like this,
people:
- name : Joe
surname : Barber
age : 16
- name : Andy
surname : Lots
age : 17
And I have a class like this,
public class people {
private String name;
private String…

Ernie
- 567
- 2
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- 23
6
votes
3 answers
Nested Constructs with SnakeYAML
I'm looking at using custom constructs with SnakeYAML and am not sure how to implement nesting. I'm using this example as reference.
In the linked example, the relevant YAML and Construct is,
- !circle
center: {x: 73, y: 129}
radius:…
user1080806
6
votes
3 answers
Parsing YAML Front matter in Java
I have to parse YAML Front Matter in java like jekyll, So Iooked into the source code, and found this but I can't make much sense of it(I don't know much ruby).
So My Question is, How do I parse YAML Front Matter in java ?
I have snakeyaml in my…

Gautam
- 7,868
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5
votes
1 answer
How to parse part of .yaml file to object in SnakeYAML?
I have a yaml file, for example:
# this is the part I don't care about
config:
key-1: val-1
other-config:
lang: en
year: 1906
# below is the only part I care about
interesting-setup:
port: 1234
validation: false
parts:
- on-start:…

Benjamin
- 3,217
- 2
- 27
- 42
5
votes
2 answers
How to serialize fields with custom names using snake yaml in Java
I'm trying to serialize a Java instance having fields like follows.
public class Person{
private String firstName;
private String lastName;
public String getFirstName() {
return firstName;
}
public void…

Kasun Siyambalapitiya
- 3,956
- 8
- 38
- 58
5
votes
3 answers
How to Access the inner(nested) key-value in an YAML file using snakeYaml Library
I am trying to read config.yaml file using the snakeYaml library in java.
I am able to get the Module name (i.e [{ABC=true}, {PQR=false}]) in my config file.
Is there a way where I can directly read the value of ABC (ie true) using the code.
I have…

Alok
- 1,441
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