1 /* 2 * Copyright (c) 2004, 2018, 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 boolean forcibly = false; 45 private Object previousValue; 46 47 public ColumnFormat(int number) { 48 super("Column" + number); 49 this.number = number; 50 } 51 52 /* 53 * method to apply various validation rules to the ColumnFormat object. 54 */ 55 public void validate() throws ParserException { 56 57 // if we allow column spanning, then this method must change. it 58 // should allow null data statments 59 60 if (expression == null) { 61 // current policy is that a data statement must be specified 62 throw new ParserException("Missing data statement in column " + number); 63 } 64 if (header == null) { 65 // current policy is that if a header is not specified, then we 66 // will use the last component of the name as the header and 67 // insert the default anchor characters for center alignment.. 68 throw new ParserException("Missing header statement in column " + number); 69 } 70 if (format == null) { 71 // if no formating is specified, then the format is set to output 72 // the raw data. 73 format="0"; 74 } 75 } 76 77 public void setWidth(int width) { 78 this.width = width; 79 } 80 81 public void setAlignment(Alignment align) { 82 this.align = align; 83 } 84 85 public void setScale(Scale scale) { 86 this.scale = scale; 87 } 88 89 public void setFormat(String format) { 90 this.format = format; 91 } 92 93 public void setHeader(String header) { 94 this.header = header; 95 } 96 97 public String getHeader() { 98 return header; 99 } 100 101 public String getFormat() { 102 return format; 103 } 104 105 public int getWidth() { 106 return width; 107 } 108 109 public Alignment getAlignment() { 110 return align; 111 } 112 113 public Scale getScale() { 114 return scale; 115 } 116 117 public Expression getExpression() { 118 return expression; 119 } 120 121 public void setExpression(Expression e) { 122 this.expression = e; 123 } 124 125 public void setForcibly(boolean f) { 126 this.forcibly = f; 127 } 128 129 public boolean isForcibly() { 130 return this.forcibly; 131 } 132 133 public void setPreviousValue(Object o) { 134 this.previousValue = o; 135 } 136 137 public Object getPreviousValue() { 138 return previousValue; 139 } 140 141 public void printFormat(int indentLevel) { 142 String indentAmount = " "; 143 144 StringBuilder indent = new StringBuilder(""); 145 for (int j = 0; j < indentLevel; j++) { 146 indent.append(indentAmount); 147 } 148 149 System.out.println(indent + name + " {"); 150 System.out.println(indent + indentAmount + "name=" + name 151 + ";data=" + expression.toString() + ";header=" + header 152 + ";format=" + format + ";width=" + width 153 + ";scale=" + scale.toString() + ";align=" + align.toString() 154 + ";forcibly=" + forcibly); 155 156 for (Iterator<OptionFormat> i = children.iterator(); i.hasNext(); /* empty */) { 157 OptionFormat of = i.next(); 158 of.printFormat(indentLevel+1); 159 } 160 161 System.out.println(indent + "}"); 162 } 163 164 public String getValue() { 165 return null; 166 } 167 }