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Java Properties

What are Java Properties files and what do you need to pay attention to before starting the translation process?

File Extensions .properties
API Extension properties
Import Yes
Export Yes
Pluralization supported? No
Descriptions supported? Yes
Format Options escape_single_quotes, omit_separator_space, crlf_line_terminators, escape_meta_chars

Java Properties are standard config/localization files typically used by Java. This file format contains key-value pairs connected by a “=” sign. Apart from this, it does not have any other cascading element. “Values” in the file will always be parsed as a String type. 

Sometimes there may be an issue of duplicate keys (the file contains two or more identical keys). Although such issues would generally not cause the program to break, values loaded later in the process would always overwrite the previous data. Therefore, while preparing the file for translation, it is always recommended to check if certain keys are duplicate. An easy way to do this is to put the properties files at issue into a Java IDE (e.g. Eclipse, IntelliJ). These apps would flag out the issue.

Format Options

Escape single quotes

Identifier escape_single_quotes  
Type boolean
Upload Yes
Download Yes
Default true
Description Escape single quotes with another single quote (e.g. I'm -> I''m ).

Omit separator space

Identifier omit_separator_space
Type boolean  
Upload No
Download Yes
Default false
Description Skip the space before and after the separator sign (= ).

CRLF line terminators

Identifier crlf_line_terminators
Type boolean
Upload No
Download Yes
Description Use CRLF (Windows) line terminator chars.

Escape meta chars

Identifier escape_meta_chars  
Type boolean
Upload No
Download Yes
Default true
Description Escape meta characters (! : = # )

Code Samples

boolean_key = --- true\n
empty_string_translation =
# This is the amazing description for this key!
key_with_description = Check it out\! This key has a description\! (At least in some formats)
key_with_line-break = This translations contains\na line-break.
nested.deeply.key = Wow, this key is nested even deeper.
nested.key = This key is nested inside a namespace.
null_translation =
pluralized_key.one = Only one pluralization found.
pluralized_key.other = Wow, you have %s pluralizations\!
pluralized_key.zero = You have no pluralization.
sample_collection = ---\n- first item\n- second item\n- third item\n
simple_key = Just a simple key with a simple message.
unverified_key = This translation is not yet verified and waits for it. (In some formats we also export this status)