Package org.europa.together.business
Interface PropertyReader
- All Known Implementing Classes:
PropertyFileReader
@API(status=STABLE,
since="1.0",
consumers="PropertyFileReader")
@Component
public interface PropertyReader
The PropertyReader is able to read properties from different resources like
file, database or from the classpath. It is also possible to manipulate the
property list. The key feature are the different cast methods for the
property values to load them into the correct datatype.
A property set contains for each line a key=value pair. Comments starts with the # character.
A property set contains for each line a key=value pair. Comments starts with the # character.
- Since:
- 1.0
- Version:
- 1.2
- Author:
- elmar.dott@gmail.com
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Field Summary
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Method Summary
Modifier and TypeMethodDescriptionboolean
addProperty
(String key, String value) Add a single property to the property list.boolean
addPropertyList
(Map<String, String> propertyList) Extend property list by Map<String, String>.boolean
appendPropertiesFromClasspath
(String resource) Load a property list from an given file inside the classpath.boolean
appendPropertiesFromFile
(String resource) Load a property list from an external file.boolean
clear()
Clear the entire property list.int
count()
Counts the amount of all properties and return the value.Get the value of a property as boolean.Allowed values are: 0 | 1 false | true FALSE | TRUE All other values will evaluate to null.Get the property value as Double.getPropertyAsFloat
(String key) Get the property value as Float.getPropertyAsInt
(String key) Get the value of a property as Integer.Get the property value as String.Get the full property list as Map.boolean
removeProperty
(String key) Remove a property by the given key from the list.boolean
updateProperty
(String key, String value) Update an existing property entry.
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Field Details
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FEATURE_ID
Identifier for the given feature.- See Also:
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Method Details
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addProperty
Add a single property to the property list. If the property already exist in the list, the new entry will not added and the method return FALSE.- Parameters:
key
- as Stringvalue
- as String- Returns:
- true on success
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addPropertyList
Extend property list by Map<String, String>.- Parameters:
propertyList
- as Map- Returns:
- true on success
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appendPropertiesFromClasspath
@API(status=STABLE, since="3.0") boolean appendPropertiesFromClasspath(String resource) throws IOException Load a property list from an given file inside the classpath. eg: org/europa/together/properties/file.properties- Parameters:
resource
- as String- Returns:
- true on success
- Throws:
IOException
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appendPropertiesFromFile
@API(status=STABLE, since="3.0") boolean appendPropertiesFromFile(String resource) throws IOException Load a property list from an external file. eg: /home/usr/application/file.properties- Parameters:
resource
- as String- Returns:
- true on success
- Throws:
IOException
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clear
@API(status=STABLE, since="1.0") boolean clear()Clear the entire property list.- Returns:
- true on success
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removeProperty
Remove a property by the given key from the list. If the property not exists the method return false.- Parameters:
key
- as String- Returns:
- true on success
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updateProperty
Update an existing property entry. In the case the entry don't exist, it will be created.- Parameters:
key
- as Stringvalue
- as String- Returns:
- true on success
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count
@API(status=STABLE, since="1.0") int count()Counts the amount of all properties and return the value.- Returns:
- count of properties as int
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getPropertyAsBoolean
@API(status=STABLE, since="1.0") Boolean getPropertyAsBoolean(String key) throws MisconfigurationException Get the value of a property as boolean.Allowed values are:- 0 | 1
- false | true
- FALSE | TRUE
- Parameters:
key
- as String- Returns:
- property as Boolean
- Throws:
MisconfigurationException
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getPropertyAsDouble
@API(status=STABLE, since="1.0") Double getPropertyAsDouble(String key) throws MisconfigurationException Get the property value as Double.- Parameters:
key
- as String- Returns:
- property as Double
- Throws:
MisconfigurationException
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getPropertyAsFloat
@API(status=STABLE, since="1.0") Float getPropertyAsFloat(String key) throws MisconfigurationException Get the property value as Float.- Parameters:
key
- as String- Returns:
- property as Float
- Throws:
MisconfigurationException
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getPropertyAsInt
@API(status=STABLE, since="1.0") Integer getPropertyAsInt(String key) throws MisconfigurationException Get the value of a property as Integer.- Parameters:
key
- as String- Returns:
- property as Integer
- Throws:
MisconfigurationException
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getPropertyAsString
@API(status=STABLE, since="1.0") String getPropertyAsString(String key) throws MisconfigurationException Get the property value as String.- Parameters:
key
- as String- Returns:
- property as String
- Throws:
MisconfigurationException
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getPropertyList
@API(status=STABLE, since="1.0") Map<String,String> getPropertyList() throws MisconfigurationExceptionGet the full property list as Map.- Returns:
- propertyList as Map
- Throws:
MisconfigurationException
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