PEFFileMerger (dotify.library 1.0.5 API)

java.lang.Object
- org.daisy.braille.utils.pef.PEFFileMerger

```
public class PEFFileMerger
extends Object
```
Merges several single volume PEF-files into one. Metadata is collected from the first file. The order of the files is determined by the file names. Two sorting algorithms are used:
1. standard, which sorts character by character in strict alphabetical order
2. numeral grouping, which sorts groups of digits as numbers at the position in the string where they occur.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class PEFFileMerger.SortType
Defines sorting types.

Constructor Summary

Constructors
Constructor Description

PEFFileMerger(Predicate<URL> validator)
Creates a new PEFFileMerger.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`merge(File[] files, OutputStream os, String identifier)`	Merges several PEF-files into one.
`boolean`	`merge(File input, OutputStream os, String identifier, PEFFileMerger.SortType sortType)`	Merges several PEF-files into one.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - PEFFileMerger
```
public PEFFileMerger(Predicate<URL> validator)
```
    Creates a new PEFFileMerger.
    
    Parameters:
    
    validator - a PEF-validator. A full validation is strongly recommended.
- Method Detail
  - merge
```
public boolean merge(File input,
                     OutputStream os,
                     String identifier,
                     PEFFileMerger.SortType sortType)
```
    Merges several PEF-files into one.
    
    Parameters:
    
    input - input directory
    
    os - output file
    
    identifier - identifier of the new publication
    
    sortType - sort type
    
    Returns:
    
    returns true if merge was successful, false otherwise
  - merge
```
public boolean merge(File[] files,
                     OutputStream os,
                     String identifier)
```
    Merges several PEF-files into one.
    
    Parameters:
    
    files - the files, in order
    
    os - the output file
    
    identifier - the identifier of the new publication
    
    Returns:
    
    true if merge was successful, false otherwise