diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/PdfArray.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/PdfArray.java | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/PdfArray.java b/src/main/java/com/lowagie/text/pdf/PdfArray.java new file mode 100644 index 0000000..30be4ef --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/PdfArray.java @@ -0,0 +1,227 @@ +/*
+ * $Id: PdfArray.java,v 1.62 2005/11/29 21:05:02 blowagie Exp $
+ * $Name: $
+ *
+ * Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above. If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+
+package com.lowagie.text.pdf;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.ListIterator;
+
+/**
+ * <CODE>PdfArray</CODE> is the PDF Array object.
+ * <P>
+ * An array is a sequence of PDF objects. An array may contain a mixture of object types.
+ * An array is written as a left square bracket ([), followed by a sequence of objects,
+ * followed by a right square bracket (]).<BR>
+ * This object is described in the 'Portable Document Format Reference Manual version 1.3'
+ * section 4.6 (page 40).
+ *
+ * @see PdfObject
+ */
+
+public class PdfArray extends PdfObject {
+
+ // membervariables
+
+/** this is the actual array of PdfObjects */
+ protected ArrayList arrayList;
+
+ // constructors
+
+/**
+ * Constructs an empty <CODE>PdfArray</CODE>-object.
+ */
+
+ public PdfArray() {
+ super(ARRAY);
+ arrayList = new ArrayList();
+ }
+
+/**
+ * Constructs an <CODE>PdfArray</CODE>-object, containing 1 <CODE>PdfObject</CODE>.
+ *
+ * @param object a <CODE>PdfObject</CODE> that has to be added to the array
+ */
+
+ public PdfArray(PdfObject object) {
+ super(ARRAY);
+ arrayList = new ArrayList();
+ arrayList.add(object);
+ }
+
+ public PdfArray(float values[]) {
+ super(ARRAY);
+ arrayList = new ArrayList();
+ add(values);
+ }
+
+ public PdfArray(int values[]) {
+ super(ARRAY);
+ arrayList = new ArrayList();
+ add(values);
+ }
+
+/**
+ * Constructs an <CODE>PdfArray</CODE>-object, containing all the <CODE>PdfObject</CODE>s in a given <CODE>PdfArray</CODE>.
+ *
+ * @param array a <CODE>PdfArray</CODE> that has to be added to the array
+ */
+
+ public PdfArray(PdfArray array) {
+ super(ARRAY);
+ arrayList = new ArrayList(array.getArrayList());
+ }
+
+ // methods overriding some methods in PdfObject
+
+/**
+ * Returns the PDF representation of this <CODE>PdfArray</CODE>.
+ *
+ * @return an array of <CODE>byte</CODE>s
+ */
+
+ public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
+ os.write('[');
+
+ Iterator i = arrayList.iterator();
+ PdfObject object;
+ int type = 0;
+ if (i.hasNext()) {
+ object = (PdfObject) i.next();
+ object.toPdf(writer, os);
+ }
+ while (i.hasNext()) {
+ object = (PdfObject) i.next();
+ type = object.type();
+ if (type != PdfObject.ARRAY && type != PdfObject.DICTIONARY && type != PdfObject.NAME && type != PdfObject.STRING)
+ os.write(' ');
+ object.toPdf(writer, os);
+ }
+ os.write(']');
+ }
+
+ // methods concerning the ArrayList-membervalue
+
+/**
+ * Returns an ArrayList containing <CODE>PdfObject</CODE>s.
+ *
+ * @return an ArrayList
+ */
+
+ public ArrayList getArrayList() {
+ return arrayList;
+ }
+
+/**
+ * Returns the number of entries in the array.
+ *
+ * @return the size of the ArrayList
+ */
+
+ public int size() {
+ return arrayList.size();
+ }
+
+/**
+ * Adds a <CODE>PdfObject</CODE> to the <CODE>PdfArray</CODE>.
+ *
+ * @param object <CODE>PdfObject</CODE> to add
+ * @return <CODE>true</CODE>
+ */
+
+ public boolean add(PdfObject object) {
+ return arrayList.add(object);
+ }
+
+ public boolean add(float values[]) {
+ for (int k = 0; k < values.length; ++k)
+ arrayList.add(new PdfNumber(values[k]));
+ return true;
+ }
+
+ public boolean add(int values[]) {
+ for (int k = 0; k < values.length; ++k)
+ arrayList.add(new PdfNumber(values[k]));
+ return true;
+ }
+
+/**
+ * Adds a <CODE>PdfObject</CODE> to the <CODE>PdfArray</CODE>.
+ * <P>
+ * The newly added object will be the first element in the <CODE>ArrayList</CODE>.
+ *
+ * @param object <CODE>PdfObject</CODE> to add
+ */
+
+ public void addFirst(PdfObject object) {
+ arrayList.add(0, object);
+ }
+
+/**
+ * Checks if the <CODE>PdfArray</CODE> already contains a certain <CODE>PdfObject</CODE>.
+ *
+ * @param object <CODE>PdfObject</CODE> to check
+ * @return <CODE>true</CODE>
+ */
+
+ public boolean contains(PdfObject object) {
+ return arrayList.contains(object);
+ }
+
+ public ListIterator listIterator() {
+ return arrayList.listIterator();
+ }
+
+ public String toString() {
+ return arrayList.toString();
+ }
+}
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