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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 | } | ||