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| 1 | +/* | |
| 2 | + * Copyright (c) 2004, Oracle and/or its affiliates. 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. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * 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 | +} | |