| /* |
| * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.tools.jstat; |
| |
| import java.util.*; |
| |
| /** |
| * A class to represent the format for a column of data. |
| * |
| * @author Brian Doherty |
| * @since 1.5 |
| */ |
| public class ColumnFormat extends OptionFormat { |
| private int number; |
| private int width; |
| private Alignment align = Alignment.CENTER; |
| private Scale scale = Scale.RAW; |
| private String format; |
| private String header; |
| private Expression expression; |
| private Object previousValue; |
| |
| public ColumnFormat(int number) { |
| super("Column" + number); |
| this.number = number; |
| } |
| |
| /* |
| * method to apply various validation rules to the ColumnFormat object. |
| */ |
| public void validate() throws ParserException { |
| |
| // if we allow column spanning, then this method must change. it |
| // should allow null data statments |
| |
| if (expression == null) { |
| // current policy is that a data statment must be specified |
| throw new ParserException("Missing data statement in column " + number); |
| } |
| if (header == null) { |
| // current policy is that if a header is not specified, then we |
| // will use the last component of the name as the header and |
| // insert the default anchor characters for center alignment.. |
| throw new ParserException("Missing header statement in column " + number); |
| } |
| if (format == null) { |
| // if no formating is specified, then the format is set to output |
| // the raw data. |
| format="0"; |
| } |
| } |
| |
| public void setWidth(int width) { |
| this.width = width; |
| } |
| |
| public void setAlignment(Alignment align) { |
| this.align = align; |
| } |
| |
| public void setScale(Scale scale) { |
| this.scale = scale; |
| } |
| |
| public void setFormat(String format) { |
| this.format = format; |
| } |
| |
| public void setHeader(String header) { |
| this.header = header; |
| } |
| |
| public String getHeader() { |
| return header; |
| } |
| |
| public String getFormat() { |
| return format; |
| } |
| |
| public int getWidth() { |
| return width; |
| } |
| |
| public Alignment getAlignment() { |
| return align; |
| } |
| |
| public Scale getScale() { |
| return scale; |
| } |
| |
| public Expression getExpression() { |
| return expression; |
| } |
| |
| public void setExpression(Expression e) { |
| this.expression = e; |
| } |
| |
| public void setPreviousValue(Object o) { |
| this.previousValue = o; |
| } |
| |
| public Object getPreviousValue() { |
| return previousValue; |
| } |
| |
| public void printFormat(int indentLevel) { |
| String indentAmount = " "; |
| |
| StringBuilder indent = new StringBuilder(""); |
| for (int j = 0; j < indentLevel; j++) { |
| indent.append(indentAmount); |
| } |
| |
| System.out.println(indent + name + " {"); |
| System.out.println(indent + indentAmount + "name=" + name |
| + ";data=" + expression.toString() + ";header=" + header |
| + ";format=" + format + ";width=" + width |
| + ";scale=" + scale.toString() + ";align=" + align.toString()); |
| |
| for (Iterator i = children.iterator(); i.hasNext(); /* empty */) { |
| OptionFormat of = (OptionFormat)i.next(); |
| of.printFormat(indentLevel+1); |
| } |
| |
| System.out.println(indent + "}"); |
| } |
| |
| public String getValue() { |
| return null; |
| } |
| } |