From 21102337f00703a7baf9a0406a909ed0607e79cb Mon Sep 17 00:00:00 2001
From: Sahara Yousuf <saharay@datalogics.com>
Date: Thu, 15 Feb 2024 17:02:43 -0600
Subject: [PATCH] Add MergePDF Kotlin sample

---
 .github/workflows/test-kotlin-samples.yml     |   2 +-
 MergePDF/.idea/runConfigurations/MergePDF.xml |  14 ++
 MergePDF/pom.xml                              | 231 ++++++++++++++++++
 .../com/datalogics/pdfl/samples/MergePDF.kt   |  59 +++++
 4 files changed, 305 insertions(+), 1 deletion(-)
 create mode 100644 MergePDF/.idea/runConfigurations/MergePDF.xml
 create mode 100644 MergePDF/pom.xml
 create mode 100644 MergePDF/src/main/kotlin/com/datalogics/pdfl/samples/MergePDF.kt

diff --git a/.github/workflows/test-kotlin-samples.yml b/.github/workflows/test-kotlin-samples.yml
index 99d2962..7d4ade7 100644
--- a/.github/workflows/test-kotlin-samples.yml
+++ b/.github/workflows/test-kotlin-samples.yml
@@ -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
diff --git a/MergePDF/.idea/runConfigurations/MergePDF.xml b/MergePDF/.idea/runConfigurations/MergePDF.xml
new file mode 100644
index 0000000..054131c
--- /dev/null
+++ b/MergePDF/.idea/runConfigurations/MergePDF.xml
@@ -0,0 +1,14 @@
+<component name="ProjectRunConfigurationManager">
+    <configuration default="false" name="MergePDF" type="Application" factoryName="Application">
+        <envs>
+            <env name="PATH" value="./target/lib" />
+        </envs>
+        <option name="MAIN_CLASS_NAME" value="com.datalogics.pdfl.samples.MergePDFKt" />
+        <module name="MergePDF" />
+        <option name="VM_PARAMETERS" value="-Djava.library.path=./target/lib" />
+        <method v="2">
+            <option name="Maven.BeforeRunTask" enabled="true" file="$PROJECT_DIR$/pom.xml" goal="process-resources" />
+            <option name="Make" enabled="true" />
+        </method>
+    </configuration>
+</component>
\ No newline at end of file
diff --git a/MergePDF/pom.xml b/MergePDF/pom.xml
new file mode 100644
index 0000000..730c47a
--- /dev/null
+++ b/MergePDF/pom.xml
@@ -0,0 +1,231 @@
+<?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>
diff --git a/MergePDF/src/main/kotlin/com/datalogics/pdfl/samples/MergePDF.kt b/MergePDF/src/main/kotlin/com/datalogics/pdfl/samples/MergePDF.kt
new file mode 100644
index 0000000..4d6a0f7
--- /dev/null
+++ b/MergePDF/src/main/kotlin/com/datalogics/pdfl/samples/MergePDF.kt
@@ -0,0 +1,59 @@
+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()
+}