Package de.oktoflow.platform.support.yaml.snakeyaml

Class SnakeYaml

java.lang.Object

de.iip_ecosphere.platform.support.yaml.Yaml

de.oktoflow.platform.support.yaml.snakeyaml.SnakeYaml

public class SnakeYaml
extends de.iip_ecosphere.platform.support.yaml.Yaml

Implements the YAML interface by SnakeYaml.

Author:

Holger Eichelberger, SSE

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	SnakeYaml.FocusedConstructor	Extends snakeyaml's constructor by loading via the class loader of the specified class, not just via the context classloader.

Constructor Summary

Constructors

Constructor	Description
SnakeYaml()

Method Summary

Modifier and Type	Method	Description
private static org.yaml.snakeyaml.Yaml	createYaml(Class<?> cls)	Creates a tolerant YAML object to read objects of type cls.
String	dump(Object object)
void	dump(Object object, Class<?> cls, Writer out)
private static org.yaml.snakeyaml.DumperOptions	initDumperOptions(org.yaml.snakeyaml.representer.Representer representer)	Initialize dumper from representer, takeover in migration from 1.27 to 2.3.
Object	load(InputStream in)
Iterator<Object>	loadAll(InputStream in)
Iterator<Object>	loadAll(InputStream in, String path, Class<?> cls)
Iterator<Object>	loadAll(InputStream in, String path, Class<?> cls, Map<String,Predicate<Object>> conds)
<T> T	loadAs(InputStream in, Class<T> cls)
<T> T	loadAs(String in, Class<T> cls)
Map<String,Object>	loadMapping(InputStream in)
Map<String,Object>	loadMapping(InputStream in, Map<String,Predicate<Object>> conds)
<T> T	loadTolerantAs(InputStream in, Class<T> cls)
private boolean	matchesConditions(Map<String,Object> data, Map<String,Predicate<Object>> conds)	Returns whether at least one condition in conds holds for the specified mapping.

Methods inherited from class de.iip_ecosphere.platform.support.yaml.Yaml

dump, getBooleanValue, getInstance, getIntValue, getLongValue, getStringValue, getValue, loadAll, resolveInstance, setInstance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SnakeYaml

public SnakeYaml()

Method Details

load

public Object load(InputStream in)
            throws IOException

Specified by:

load in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

loadMapping

public Map<String,Object> loadMapping(InputStream in)
                               throws IOException

Specified by:

loadMapping in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

loadMapping

public Map<String,Object> loadMapping(InputStream in,
 Map<String,Predicate<Object>> conds)
                               throws IOException

Specified by:

loadMapping in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

loadAs

public <T> T loadAs(String in,
 Class<T> cls)
             throws IOException

Specified by:

loadAs in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

loadAs

public <T> T loadAs(InputStream in,
 Class<T> cls)
             throws IOException

Specified by:

loadAs in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

loadAll

public Iterator<Object> loadAll(InputStream in,
 String path,
 Class<?> cls)
                         throws IOException

Overrides:

loadAll in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

loadAll

public Iterator<Object> loadAll(InputStream in,
 String path,
 Class<?> cls,
 Map<String,Predicate<Object>> conds)
                         throws IOException

Specified by:

loadAll in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

matchesConditions

private boolean matchesConditions(Map<String,Object> data,
 Map<String,Predicate<Object>> conds)

Returns whether at least one condition in conds holds for the specified mapping.

Parameters:

data - the data containing the mapping

conds - the conditions with key = "."-separated key in data and value = the predicate checking the value for the associated key, conds may be null

Returns:

true if there are no conditions and data is not null or if at least one condition meets, false else

loadAll

public Iterator<Object> loadAll(InputStream in)
                         throws IOException

Specified by:

loadAll in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

createYaml

private static org.yaml.snakeyaml.Yaml createYaml(Class<?> cls)

Creates a tolerant YAML object to read objects of type cls.

Parameters:

cls - the type to read, may be null

Returns:

the yamp object

loadTolerantAs

public <T> T loadTolerantAs(InputStream in,
 Class<T> cls)

Specified by:

loadTolerantAs in class de.iip_ecosphere.platform.support.yaml.Yaml

initDumperOptions

private static org.yaml.snakeyaml.DumperOptions initDumperOptions(org.yaml.snakeyaml.representer.Representer representer)

Initialize dumper from representer, takeover in migration from 1.27 to 2.3.

Parameters:

representer - the representer to initialize from

Returns:

the initialized dumper

dump

public String dump(Object object)
            throws IOException

Specified by:

dump in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException

dump

public void dump(Object object,
 Class<?> cls,
 Writer out)
          throws IOException

Specified by:

dump in class de.iip_ecosphere.platform.support.yaml.Yaml

Throws:

IOException