Documentation – Modifying Form Fields

Java: Add List Item

Tue, 09 Jun 2026 00:00:00 +0000

Add an item to a list field

Bind the source PDF to the FormEditor facade.
Call addListItem(...) for the target field and new display/value pair.
Save the updated document.

public static void addListItem(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.addListItem("Country", new String[] {"New Zealand", "New Zealand"});
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Delete List Item

Tue, 09 Jun 2026 00:00:00 +0000

Delete an item from a list field

Bind the source PDF to the FormEditor facade.
Call delListItem(...) for the target field and item to remove.
Save the updated document.

public static void deleteListItem(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.delListItem("Country", "UK");
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Move Field

Tue, 09 Jun 2026 00:00:00 +0000

Move a field

Bind the source PDF to the FormEditor facade.
Call moveField(...) with the target field name and new rectangle coordinates.
Save the updated document.

public static void moveField(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.moveField("Country", 200, 600, 280, 620);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Remove Field

Tue, 09 Jun 2026 00:00:00 +0000

Remove a field

Bind the source PDF to the FormEditor facade.
Call removeField(...) for the target field name.
Save the updated document.

public static void removeField(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.removeField("Country");
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Rename Field

Tue, 09 Jun 2026 00:00:00 +0000

Rename a field

Bind the source PDF to the FormEditor facade.
Call renameField(...) with the current field name and the new field name.
Save the updated document.

public static void renameField(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.renameField("City", "Town");
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Single To Multiple

Tue, 09 Jun 2026 00:00:00 +0000

Convert a single-line field to multiple lines

Bind the source PDF to the FormEditor facade.
Call single2Multiple(...) for the target field name.
Save the updated document.

public static void singleToMultiple(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.single2Multiple("City");
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Copy Inner Field

Tue, 09 Jun 2026 00:00:00 +0000

Copy a field inside the same PDF

Bind the source PDF to the FormEditor facade.
Call copyInnerField(...) with the source field name, new field name, page, and coordinates.
Save the updated document.

public static void copyInnerField(Path inputFile, Path outputFile) {
    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(inputFile.toString());
        editor.copyInnerField("First Name", "First Name Copy", 2, 200, 600);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}

Java: Copy Outer Field

Tue, 09 Jun 2026 00:00:00 +0000

Copy a field from another PDF

Create a destination PDF with at least one page.
Bind the destination PDF to the FormEditor facade.
Call copyOuterField(...) with the source document path, field name, target page, and coordinates.
Save the updated destination document.

public static void copyOuterField(Path inputFile, Path outputFile) {
    try (Document document = new Document()) {
        document.getPages().add();
        document.save(outputFile.toString());
    }

    FormEditor editor = new FormEditor();
    try {
        editor.bindPdf(outputFile.toString());
        editor.copyOuterField(inputFile.toString(), "First Name", 1, 200, 600);
        editor.save(outputFile.toString());
    } finally {
        editor.close();
    }
}