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Add MergePDF Kotlin sample
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@datalogics-saharay
datalogics-saharay committed Feb 15, 2024
1 parent acf4410 commit 2110233
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2 changes: 1 addition & 1 deletion .github/workflows/test-kotlin-samples.yml
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Expand Up @@ -17,7 +17,7 @@ jobs:
strategy:
matrix:
os: [windows-latest, ubuntu-latest]
dir: ['TextExtract', 'FlattenTransparency', 'SplitPDF', 'ConvertToOffice']
dir: ['TextExtract', 'FlattenTransparency', 'SplitPDF', 'ConvertToOffice', 'MergePDF']
steps:
- name: Checkout
uses: actions/checkout@v4
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14 changes: 14 additions & 0 deletions MergePDF/.idea/runConfigurations/MergePDF.xml
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231 changes: 231 additions & 0 deletions MergePDF/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.datalogics.pdfl.samples</groupId>
<artifactId>MergePDF</artifactId>
<version>1.0-SNAPSHOT</version>

<repositories>
<repository>
<id>mavenCentral</id>
<url>https://repo1.maven.org/maven2/</url>
</repository>
</repositories>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<kotlin.code.style>official</kotlin.code.style>
<kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>

<profiles>
<profile>
<id>Windows64</id>
<activation>
<os>
<family>windows</family>
<arch>amd64</arch>
</os>
</activation>
<properties>
<jni.classifier>win-x86-64-jni</jni.classifier>
</properties>
</profile>
<profile>
<id>MacArm</id>
<activation>
<os>
<family>mac</family>
<arch>aarch64</arch>
</os>
</activation>
<properties>
<jni.classifier>mac-arm-64-jni</jni.classifier>
</properties>
</profile>
<profile>
<id>Linux64</id>
<activation>
<os>
<!-- Use OS <name> instead of <family> because the "unix" <family> also includes Mac -->
<name>Linux</name>
<arch>amd64</arch>
</os>
</activation>
<properties>
<jni.classifier>linux-x86-64-jni</jni.classifier>
</properties>
</profile>
</profiles>

<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib-jdk8</artifactId>
<version>1.9.21</version>
</dependency>
<dependency>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<version>18.31.0</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<version>18.31.0</version>
</dependency>
<dependency>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<version>18.31.0</version>
<type>zip</type>
<classifier>${jni.classifier}</classifier>
</dependency>
<dependency>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<version>18.31.0</version>
<type>zip</type>
<classifier>resources</classifier>
</dependency>
<dependency>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<version>18.31.0</version>
<classifier>javadoc</classifier>
</dependency>
</dependencies>

<build>
<sourceDirectory>src/main/kotlin</sourceDirectory>
<plugins>
<plugin>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-plugin</artifactId>
<version>1.9.21</version>
<executions>
<execution>
<id>compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>2.22.2</version>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<configuration>
<mainClass>MergePDF</mainClass>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>unpack-resources</id>
<phase>generate-resources</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<classifier>resources</classifier>
<type>zip</type>
<outputDirectory>${project.build.directory}/lib/Resources</outputDirectory>
</artifactItem>
</artifactItems>
</configuration>
</execution>
<execution>
<id>unpack-jni</id>
<phase>generate-resources</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<classifier>${jni.classifier}</classifier>
<type>zip</type>
<outputDirectory>${project.build.directory}/lib</outputDirectory>
</artifactItem>
</artifactItems>
</configuration>
</execution>
<execution>
<id>unpack-license</id>
<phase>generate-resources</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>com.datalogics.pdfl</groupId>
<artifactId>pdfl</artifactId>
<classifier>license</classifier>
<type>zip</type>
<outputDirectory>${project.build.directory}/lib</outputDirectory>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.datalogics.pdfl.samples.MergePDFKt</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>
</plugins>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.0.2</version>
</plugin>
</plugins>
</pluginManagement>
</build>

</project>
59 changes: 59 additions & 0 deletions MergePDF/src/main/kotlin/com/datalogics/pdfl/samples/MergePDF.kt
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package com.datalogics.pdfl.samples

import com.datalogics.PDFL.*
import java.util.EnumSet

/*
*
* This sample demonstrates merging one PDF document into another. The program
* offers two optional input documents and defines a default output document. The sample
* takes the content from the second PDF input document and inserts it in the first
* input document, and saves the result to the output PDF document.
*
* Copyright (c) 2024, Datalogics, Inc. All rights reserved.
*
*/
fun main(args: Array<String>) {
println("MergePDF sample:")

val lib = Library()

var sInput1 = Library.getResourceDirectory() + "Sample_Input/merge_pdf1.pdf"
var sInput2 = Library.getResourceDirectory() + "Sample_Input/merge_pdf2.pdf"
var sOutput = "MergePDF-out.pdf"

if (args.isNotEmpty())
sInput1 = args[0]
if (args.size > 1)
sInput2 = args[1]
if (args.size > 2)
sOutput = args[2]

println("Adding $sInput1 and $sInput2 and writing to $sOutput")

val doc1 = Document(sInput1)
val doc2 = Document(sInput2)

try {
doc1.insertPages(
Document.LAST_PAGE, doc2, 0, Document.ALL_PAGES, EnumSet.of(
PageInsertFlags.BOOKMARKS, PageInsertFlags.THREADS,
// For best performance processing large documents, set the following flags.
PageInsertFlags.DO_NOT_MERGE_FONTS, PageInsertFlags.DO_NOT_RESOLVE_INVALID_STRUCTURE_PARENT_REFERENCES, PageInsertFlags.DO_NOT_REMOVE_PAGE_INHERITANCE
)
)
} catch (ex: LibraryException) {
if (!ex.message!!.contains("An incorrect structure tree was found in the PDF file but operation continued")) {
throw ex
}
println(ex.message)
}

// For best performance processing large documents, set the following flags.
doc1.save(EnumSet.of(SaveFlags.FULL, SaveFlags.SAVE_LINEARIZED_NO_OPTIMIZE_FONTS, SaveFlags.COMPRESSED), sOutput)

doc1.close()
doc2.close()

lib.delete()
}

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