J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.tools.jstat; |
| 27 | |
| 28 | import java.util.*; |
| 29 | |
| 30 | /** |
| 31 | * A class to represent the format for a column of data. |
| 32 | * |
| 33 | * @author Brian Doherty |
| 34 | * @since 1.5 |
| 35 | */ |
| 36 | public class ColumnFormat extends OptionFormat { |
| 37 | private int number; |
| 38 | private int width; |
| 39 | private Alignment align = Alignment.CENTER; |
| 40 | private Scale scale = Scale.RAW; |
| 41 | private String format; |
| 42 | private String header; |
| 43 | private Expression expression; |
| 44 | private Object previousValue; |
| 45 | |
| 46 | public ColumnFormat(int number) { |
| 47 | super("Column" + number); |
| 48 | this.number = number; |
| 49 | } |
| 50 | |
| 51 | /* |
| 52 | * method to apply various validation rules to the ColumnFormat object. |
| 53 | */ |
| 54 | public void validate() throws ParserException { |
| 55 | |
| 56 | // if we allow column spanning, then this method must change. it |
| 57 | // should allow null data statments |
| 58 | |
| 59 | if (expression == null) { |
| 60 | // current policy is that a data statment must be specified |
| 61 | throw new ParserException("Missing data statement in column " + number); |
| 62 | } |
| 63 | if (header == null) { |
| 64 | // current policy is that if a header is not specified, then we |
| 65 | // will use the last component of the name as the header and |
| 66 | // insert the default anchor characters for center alignment.. |
| 67 | throw new ParserException("Missing header statement in column " + number); |
| 68 | } |
| 69 | if (format == null) { |
| 70 | // if no formating is specified, then the format is set to output |
| 71 | // the raw data. |
| 72 | format="0"; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | public void setWidth(int width) { |
| 77 | this.width = width; |
| 78 | } |
| 79 | |
| 80 | public void setAlignment(Alignment align) { |
| 81 | this.align = align; |
| 82 | } |
| 83 | |
| 84 | public void setScale(Scale scale) { |
| 85 | this.scale = scale; |
| 86 | } |
| 87 | |
| 88 | public void setFormat(String format) { |
| 89 | this.format = format; |
| 90 | } |
| 91 | |
| 92 | public void setHeader(String header) { |
| 93 | this.header = header; |
| 94 | } |
| 95 | |
| 96 | public String getHeader() { |
| 97 | return header; |
| 98 | } |
| 99 | |
| 100 | public String getFormat() { |
| 101 | return format; |
| 102 | } |
| 103 | |
| 104 | public int getWidth() { |
| 105 | return width; |
| 106 | } |
| 107 | |
| 108 | public Alignment getAlignment() { |
| 109 | return align; |
| 110 | } |
| 111 | |
| 112 | public Scale getScale() { |
| 113 | return scale; |
| 114 | } |
| 115 | |
| 116 | public Expression getExpression() { |
| 117 | return expression; |
| 118 | } |
| 119 | |
| 120 | public void setExpression(Expression e) { |
| 121 | this.expression = e; |
| 122 | } |
| 123 | |
| 124 | public void setPreviousValue(Object o) { |
| 125 | this.previousValue = o; |
| 126 | } |
| 127 | |
| 128 | public Object getPreviousValue() { |
| 129 | return previousValue; |
| 130 | } |
| 131 | |
| 132 | public void printFormat(int indentLevel) { |
| 133 | String indentAmount = " "; |
| 134 | |
| 135 | StringBuilder indent = new StringBuilder(""); |
| 136 | for (int j = 0; j < indentLevel; j++) { |
| 137 | indent.append(indentAmount); |
| 138 | } |
| 139 | |
| 140 | System.out.println(indent + name + " {"); |
| 141 | System.out.println(indent + indentAmount + "name=" + name |
| 142 | + ";data=" + expression.toString() + ";header=" + header |
| 143 | + ";format=" + format + ";width=" + width |
| 144 | + ";scale=" + scale.toString() + ";align=" + align.toString()); |
| 145 | |
| 146 | for (Iterator i = children.iterator(); i.hasNext(); /* empty */) { |
| 147 | OptionFormat of = (OptionFormat)i.next(); |
| 148 | of.printFormat(indentLevel+1); |
| 149 | } |
| 150 | |
| 151 | System.out.println(indent + "}"); |
| 152 | } |
| 153 | |
| 154 | public String getValue() { |
| 155 | return null; |
| 156 | } |
| 157 | } |