diff options
Diffstat (limited to 'src/main/java/org/pdfbox/pdmodel/interactive/form/PDFieldFactory.java')
| -rw-r--r-- | src/main/java/org/pdfbox/pdmodel/interactive/form/PDFieldFactory.java | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/interactive/form/PDFieldFactory.java b/src/main/java/org/pdfbox/pdmodel/interactive/form/PDFieldFactory.java deleted file mode 100644 index c796714..0000000 --- a/src/main/java/org/pdfbox/pdmodel/interactive/form/PDFieldFactory.java +++ /dev/null @@ -1,218 +0,0 @@ -/**
- * Copyright (c) 2003-2004, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.pdmodel.interactive.form;
-
-import org.pdfbox.cos.COSArray;
-import org.pdfbox.cos.COSDictionary;
-import org.pdfbox.cos.COSName;
-import org.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
-
-import java.io.IOException;
-
-import java.util.List;
-
-/**
- * This is the Factory for creating and returning the correct
- * field elements.
- *
- * @author sug
- * @version $Revision: 1.8 $
- */
-public class PDFieldFactory
-{
- private static final int RADIO_BITMASK = 32768;
- private static final int PUSHBUTTON_BITMASK = 65536;
- private static final int RADIOS_IN_UNISON_BITMASK = 33554432;
-
- private static final String FIELD_TYPE_BTN = "Btn";
- private static final String FIELD_TYPE_TX = "Tx";
- private static final String FIELD_TYPE_CH = "Ch";
- private static final String FIELD_TYPE_SIG = "Sig";
-
- /**
- * Utility class so no constructor.
- */
- private PDFieldFactory()
- {
- //do nothing.
- }
-
- /**
- * This method creates a COSField subclass from the given field.
- * The field is a PDF Dictionary object that must represent a
- * field element. - othewise null is returned
- *
- * @param acroForm The form that the field will be part of.
- * @param field The dictionary representing a field element
- *
- * @return a subclass to COSField according to the kind of field passed to createField
- * @throws IOException If there is an error determining the field type.
- */
- public static PDField createField( PDAcroForm acroForm, COSDictionary field) throws IOException
- {
- PDField pdField = new PDUnknownField( acroForm, field );
- if( isButton(pdField) )
- {
- int flags = pdField.getFieldFlags();
- //BJL, I have found that the radio flag bit is not always set
- //and that sometimes there is just a kids dictionary.
- //so, if there is a kids dictionary then it must be a radio button
- //group.
- COSArray kids = (COSArray)field.getDictionaryObject( COSName.getPDFName( "Kids" ) );
- if( kids != null || isRadio(flags) )
- {
- pdField = new PDRadioCollection( acroForm, field );
- }
- else if( isPushButton( flags ) )
- {
- pdField = new PDPushButton( acroForm, field );
- }
- else
- {
- pdField = new PDCheckbox( acroForm, field );
- }
-
- }
- else if (isChoiceField(pdField))
- {
- pdField = new PDChoiceField( acroForm, field );
- }
- else if (isTextbox(pdField))
- {
- pdField = new PDTextbox( acroForm, field );
- }
- else if( isSignature( pdField ) )
- {
- pdField = new PDSignature( acroForm, field );
- }
- else
- {
- //do nothing and return an unknown field type.
- }
- return pdField;
- }
-
- /**
- * This method determines if the given
- * field is a radiobutton collection.
- *
- * @param flags The field flags.
- *
- * @return the result of the determination
- */
- private static boolean isRadio( int flags )
- {
- return (flags & RADIO_BITMASK) > 0;
- }
-
- /**
- * This method determines if the given
- * field is a pushbutton.
- *
- * @param flags The field flags.
- *
- * @return the result of the determination
- */
- private static boolean isPushButton( int flags )
- {
- return (flags & PUSHBUTTON_BITMASK) > 0;
- }
-
- /**
- * This method determines if the given field is a choicefield
- * Choicefields are either listboxes or comboboxes.
- *
- * @param field the field to determine
- * @return the result of the determination
- */
- private static boolean isChoiceField(PDField field) throws IOException
- {
- return FIELD_TYPE_CH.equals(field.findFieldType());
- }
-
- /**
- * This method determines if the given field is a button.
- *
- * @param field the field to determine
- * @return the result of the determination
- *
- * @throws IOException If there is an error determining the field type.
- */
- private static boolean isButton(PDField field) throws IOException
- {
- String ft = field.findFieldType();
- boolean retval = FIELD_TYPE_BTN.equals( ft );
- List kids = field.getKids();
- if( ft == null && kids != null && kids.size() > 0)
- {
- //sometimes if it is a button the type is only defined by one
- //of the kids entries
- Object obj = kids.get( 0 );
- COSDictionary kidDict = null;
- if( obj instanceof PDField )
- {
- kidDict = ((PDField)obj).getDictionary();
- }
- else if( obj instanceof PDAnnotationWidget )
- {
- kidDict = ((PDAnnotationWidget)obj).getDictionary();
- }
- else
- {
- throw new IOException( "Error:Unexpected type of kids field:" + obj );
- }
- retval = isButton( new PDUnknownField( field.getAcroForm(), kidDict ) );
- }
- return retval;
- }
-
- /**
- * This method determines if the given field is a signature.
- *
- * @param field the field to determine
- * @return the result of the determination
- */
- private static boolean isSignature(PDField field) throws IOException
- {
- return FIELD_TYPE_SIG.equals(field.findFieldType());
- }
-
- /**
- * This method determines if the given field is a Textbox.
- *
- * @param field the field to determine
- * @return the result of the determination
- */
- private static boolean isTextbox(PDField field) throws IOException
- {
- return FIELD_TYPE_TX.equals(field.findFieldType());
- }
-}
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