poi/src/scratchpad/src/org/apache/poi/generator/RecordUtil.java

275 lines
9.9 KiB
Java

/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. 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. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache POI" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache POI", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.poi.generator;
import java.util.StringTokenizer;
/**
* Helper functions for the record transformations.
*
* @author Glen Stampoultzis (glens at apache.org)
* @author Andrew C. Oliver (acoliver at apache dot org)
*/
public class RecordUtil
{
private static final String CR = "\n";
public static String getFieldName(int position, String name, int padTo)
{
StringBuffer fieldName = new StringBuffer("field_" + position + "_");
toIdentifier(name, fieldName);
pad(fieldName, padTo);
return fieldName.toString();
}
protected static StringBuffer pad(StringBuffer fieldName, int padTo)
{
for (int i = fieldName.length(); i < padTo; i++)
fieldName.append(' ');
return fieldName;
}
public static String getFieldName(String name, int padTo)
{
StringBuffer fieldName = new StringBuffer();
toIdentifier(name, fieldName);
pad(fieldName, padTo);
return fieldName.toString();
}
public static String getFieldName1stCap(String name, int padTo)
{
StringBuffer fieldName = new StringBuffer();
toIdentifier(name, fieldName);
fieldName.setCharAt(0, Character.toUpperCase(fieldName.charAt(0)));
pad(fieldName, padTo);
return fieldName.toString();
}
public static String clone(String name, String type, int pos) {
StringBuffer fieldName = new StringBuffer();
toIdentifier(name, fieldName);
String javaFieldName = getFieldName(pos, name, 0);
if (type.startsWith("custom:"))
{
String javaType = type.substring(7);
return "rec." + javaFieldName + " = ((" + javaType + ")" + javaFieldName + ".clone());";
}
else
{
return "rec." + javaFieldName + " = " + javaFieldName;
}
}
public static String initializeText(String size, String type)
{
if (type.startsWith("custom:"))
{
String javaType = type.substring( 7 );
return " = new " + javaType + "()";
}
else
{
return "";
}
}
private static void toIdentifier(String name, StringBuffer fieldName)
{
for (int i = 0; i < name.length(); i++)
{
if (name.charAt(i) == ' ')
fieldName.append(Character.toUpperCase(name.charAt(++i)));
else
fieldName.append(name.charAt(i));
}
}
private static void toConstIdentifier(String name, StringBuffer fieldName)
{
for (int i = 0; i < name.length(); i++)
{
if (name.charAt(i) == ' ')
fieldName.append('_');
else
fieldName.append(Character.toUpperCase(name.charAt(i)));
}
}
public static String getType(String size, String type, int padTo)
{
boolean wholeNumber = type.equals("bits") || type.equals("int");
if (wholeNumber && "1".equals(size))
return pad(new StringBuffer("byte"), padTo).toString();
else if (wholeNumber && "2".equals(size))
return pad(new StringBuffer("short"), padTo).toString();
else if (type.equals("int") && "varword".equals(size))
return pad(new StringBuffer("short[]"), padTo).toString();
else if (wholeNumber && "4".equals(size))
return pad(new StringBuffer("int"), padTo).toString();
else if (type.equals("float") && "8".equals(size))
return pad(new StringBuffer("double"), padTo).toString();
else if (type.equals("string"))
return pad(new StringBuffer("String"), padTo).toString();
else if (type.equals("hbstring"))
return pad(new StringBuffer("String"), padTo).toString();
else if (type.startsWith("custom:"))
{
int pos = type.lastIndexOf('.');
return pad(new StringBuffer(type.substring(pos+1)), padTo)
.toString();
}
return "short"; // if we don't know, default to short
}
public static String getType1stCap(String size, String type, int padTo)
{
StringBuffer result;
boolean numeric = type.equals("bits") || type.equals("int");
if (numeric && "1".equals(size))
result = pad(new StringBuffer("byte"), padTo);
else if (type.equals("int") && "varword".equals(size))
result = pad(new StringBuffer("short[]"), padTo);
else if (numeric && "2".equals(size))
result = pad(new StringBuffer("short"), padTo);
else if (type.equals("string"))
result = pad(new StringBuffer("String"), padTo);
else if (type.equals("hbstring"))
result = pad(new StringBuffer("HighByteString"), padTo);
else
return "";
result.setCharAt(0, Character.toUpperCase(result.charAt(0)));
return result.toString();
}
public static String getMask(int bit)
{
//if (bit > 1) bit--;
int mask = (int)Math.pow(2, bit);
return "0x" + Integer.toHexString(mask);
}
public static String getConstName(String parentName, String constName, int padTo)
{
StringBuffer fieldName = new StringBuffer();
toConstIdentifier(parentName, fieldName);
fieldName.append('_');
toConstIdentifier(constName, fieldName);
pad(fieldName, padTo);
return fieldName.toString();
}
/**
* @return a byte array formatted string from a HexDump formatted string
* for example (byte)0x00,(byte)0x01 instead of 00 01
*/
public static String getByteArrayString(String data) {
StringTokenizer tokenizer = new StringTokenizer(data);
StringBuffer retval = new StringBuffer();
while (tokenizer.hasMoreTokens()) {
retval.append("(byte)0x").append(tokenizer.nextToken());
if (tokenizer.hasMoreTokens()) {
retval.append(",");
}
}
return retval.toString();
}
public static String getToString(String fieldName, String type, String size) {
StringBuffer result = new StringBuffer();
result.append(" buffer.append(\" .");
result.append(getFieldName(fieldName, 20));
result.append(" = \")" + CR);
if (type.equals("string") == false
&& type.equals("hbstring") == false
&& type.equals("float") == false
// && type.equals("varword") == false
&& size.equals("varword") == false
&& type.startsWith("custom:") == false)
{
result.append(" .append(\"0x\")");
result.append(".append(HexDump.toHex( ");
// result.append(getType(size, type, 0));
result.append(" get");
result.append(getFieldName1stCap(fieldName, 0));
result.append(" ()))" + CR);
}
result.append(" .append(\" (\").append( get");
result.append(getFieldName1stCap(fieldName,0));
result.append("() ).append(\" )\");");
return result.toString();
}
public static String getRecordId(String recordName, String excelName)
{
if (excelName == null || excelName.equals(""))
return recordName;
else
return excelName;
}
}