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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.6.0_04) on Sat May 17 11:57:50 CEST 2008 --><TITLE>PdfObject</TITLE><META NAME="date" CONTENT="2008-05-17"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ if (location.href.indexOf('is-external=true') == -1) { parent.document.title="PdfObject"; }}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><HR><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><a href="http://www.1t3xt.com/docs/book.php" target="_blank"><img src="http://www.1t3xt.com/img/book/lowagie_3d.jpg" border="0" /></a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../com/lowagie/text/pdf/PdfNumberTree.html" title="class in com.lowagie.text.pdf"><B>PREV CLASS</B></A> <A HREF="../../../../com/lowagie/text/pdf/PdfOCG.html" title="interface in com.lowagie.text.pdf"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/lowagie/text/pdf/PdfObject.html" target="_top"><B>FRAMES</B></A> <A HREF="PdfObject.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.lowagie.text.pdf</FONT><BR>Class PdfObject</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.lowagie.text.pdf.PdfObject</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../com/lowagie/text/pdf/PdfArray.html" title="class in com.lowagie.text.pdf">PdfArray</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfBoolean.html" title="class in com.lowagie.text.pdf">PdfBoolean</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfDictionary.html" title="class in com.lowagie.text.pdf">PdfDictionary</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfIndirectReference.html" title="class in com.lowagie.text.pdf">PdfIndirectReference</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfLiteral.html" title="class in com.lowagie.text.pdf">PdfLiteral</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfName.html" title="class in com.lowagie.text.pdf">PdfName</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfNull.html" title="class in com.lowagie.text.pdf">PdfNull</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfNumber.html" title="class in com.lowagie.text.pdf">PdfNumber</A>, <A HREF="../../../../com/lowagie/text/pdf/PdfString.html" title="class in com.lowagie.text.pdf">PdfString</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>PdfObject</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL></PRE><P><CODE>PdfObject</CODE> is the abstract superclass of all PDF objects. <P> PDF supports seven basic types of objects: Booleans, numbers, strings, names, arrays, dictionaries and streams. In addition, PDF provides a null object. Objects may be labeled so that they can be referred to by other objects.<BR> All these basic PDF objects are described in the 'Portable Document Format Reference Manual version 1.3' Chapter 4 (pages 37-54).<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../../com/lowagie/text/pdf/PdfNull.html" title="class in com.lowagie.text.pdf"><CODE>PdfNull</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfBoolean.html" title="class in com.lowagie.text.pdf"><CODE>PdfBoolean</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfNumber.html" title="class in com.lowagie.text.pdf"><CODE>PdfNumber</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfString.html" title="class in com.lowagie.text.pdf"><CODE>PdfString</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfName.html" title="class in com.lowagie.text.pdf"><CODE>PdfName</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfArray.html" title="class in com.lowagie.text.pdf"><CODE>PdfArray</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfDictionary.html" title="class in com.lowagie.text.pdf"><CODE>PdfDictionary</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfStream.html" title="class in com.lowagie.text.pdf"><CODE>PdfStream</CODE></A>, <A HREF="../../../../com/lowagie/text/pdf/PdfIndirectReference.html" title="class in com.lowagie.text.pdf"><CODE>PdfIndirectReference</CODE></A></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#ARRAY">ARRAY</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#BOOLEAN">BOOLEAN</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected byte[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#bytes">bytes</A></B></CODE><BR> the content of this <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#DICTIONARY">DICTIONARY</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#INDIRECT">INDIRECT</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../com/lowagie/text/pdf/PRIndirectReference.html" title="class in com.lowagie.text.pdf">PRIndirectReference</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#indRef">indRef</A></B></CODE><BR> Holds value of property indRef.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#NAME">NAME</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#NOTHING">NOTHING</A></B></CODE><BR> This is an empty string used for the <CODE>PdfNull</CODE>-object and for an empty <CODE>PdfString</CODE>-object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#NULL">NULL</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#NUMBER">NUMBER</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#STREAM">STREAM</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#STRING">STRING</A></B></CODE><BR> a possible type of <CODE>PdfObject</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#TEXT_PDFDOCENCODING">TEXT_PDFDOCENCODING</A></B></CODE><BR> This is the default encoding to be used for converting Strings into bytes and vice versa.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#TEXT_UNICODE">TEXT_UNICODE</A></B></CODE><BR> This is the encoding to be used to output text in Unicode.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#type">type</A></B></CODE><BR> the type of this <CODE>PdfObject</CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#PdfObject(int)">PdfObject</A></B>(int type)</CODE><BR> Constructs a <CODE>PdfObject</CODE> of a certain <VAR>type</VAR> without any <VAR>content</VAR>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#PdfObject(int, byte[])">PdfObject</A></B>(int type, byte[] bytes)</CODE><BR> Constructs a <CODE>PdfObject</CODE> of a certain <VAR>type</VAR> with a certain <VAR>content</VAR>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#PdfObject(int, java.lang.String)">PdfObject</A></B>(int type, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> content)</CODE><BR> Constructs a <CODE>PdfObject</CODE> of a certain <VAR>type</VAR> with a certain <VAR>content</VAR>.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#canBeInObjStm()">canBeInObjStm</A></B>()</CODE><BR> Can this object be in an object stream?</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> byte[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#getBytes()">getBytes</A></B>()</CODE><BR> Gets the presentation of this object in a byte array</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../com/lowagie/text/pdf/PRIndirectReference.html" title="class in com.lowagie.text.pdf">PRIndirectReference</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#getIndRef()">getIndRef</A></B>()</CODE><BR> Getter for property indRef.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#isArray()">isArray</A></B>()</CODE><BR> Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfArray</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/lowagie/text/pdf/PdfObject.html#isBoolean()">isBoolean</A></B>()</CODE><BR> Checks if this <CODE>PdfObject</CODE> is of the type <CODE>PdfBoolean</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD>⌨️ 快捷键说明
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