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32
33 package com.jeantessier.dependency;
34
35 import java.io.*;
36 import java.util.*;
37
38 public abstract class Printer extends VisitorBase {
39 private PrintWriter out;
40
41 private String  indentText = " ";
42 private int indentLevel = 0;
43 private boolean showInbounds = true;
44 private boolean showOutbounds = true;
45 private boolean showEmptyNodes = true;
46
47 public Printer(PrintWriter out) {
48 this(new SortedTraversalStrategy(new SelectiveTraversalStrategy()), out);
49 }
50
51 public Printer(TraversalStrategy strategy, PrintWriter out) {
52 super(strategy);
53
54 this.out = out;
55 }
56
57 public String getIndentText() {
58 return indentText;
59 }
60
61 public void setIndentText(String indentText) {
62 this.indentText = indentText;
63 }
64
65 public boolean isShowInbounds() {
66 return showInbounds;
67 }
68
69 public void setShowInbounds(boolean showInbounds) {
70 this.showInbounds = showInbounds;
71 }
72
73 public boolean isShowOutbounds() {
74 return showOutbounds;
75 }
76
77 public void setShowOutbounds(boolean showOutbounds) {
78 this.showOutbounds = showOutbounds;
79 }
80
81 public boolean isShowEmptyNodes() {
82 return showEmptyNodes;
83 }
84
85 public void setShowEmptyNodes(boolean showEmptyNodes) {
86 this.showEmptyNodes = showEmptyNodes;
87 }
88
89 protected Printer append(boolean b) {
90 out.print(b);
91 return this;
92 }
93
94 protected Printer append(char c) {
95 out.print(c);
96 return this;
97 }
98
99 protected Printer append(char[] s) {
100 out.print(s);
101 return this;
102 }
103
104 protected Printer append(double d) {
105 out.print(d);
106 return this;
107 }
108
109 protected Printer append(float f) {
110 out.print(f);
111 return this;
112 }
113
114 protected Printer append(int i) {
115 out.print(i);
116 return this;
117 }
118
119 protected Printer append(long l) {
120 out.print(l);
121 return this;
122 }
123
124 protected Printer append(Object obj) {
125 out.print(obj);
126 return this;
127 }
128
129 protected Printer append(String s) {
130 out.print(s);
131 return this;
132 }
133
134 protected Printer indent() {
135 for (int i=0; i<indentLevel; i++) {
136 append(getIndentText());
137 }
138
139 return this;
140 }
141
142 protected Printer eol() {
143 out.println();
144 return this;
145 }
146
147 protected Printer printNodeName(Node node) {
148 return printNodeName(node, node.getName());
149 }
150
151 protected Printer printNodeName(Node node, String name) {
152 return append(name);
153 }
154
155 protected void raiseIndent() {
156 indentLevel++;
157 }
158
159 protected void lowerIndent() {
160 indentLevel--;
161 }
162
163 protected boolean shouldShowPackageNode(PackageNode node) {
164 boolean result = shouldShowNode(node);
165
166 Iterator i = node.getClasses().iterator();
167 while (!result && i.hasNext()) {
168 result = shouldShowClassNode((ClassNode) i.next());
169 }
170
171 return result;
172 }
173
174 protected boolean shouldShowClassNode(ClassNode node) {
175 boolean result = shouldShowNode(node);
176
177 Iterator i = node.getFeatures().iterator();
178 while (!result && i.hasNext()) {
179 result = shouldShowFeatureNode((FeatureNode) i.next());
180 }
181
182 return result;
183 }
184
185 protected boolean shouldShowFeatureNode(FeatureNode node) {
186 return shouldShowNode(node);
187 }
188
189 protected boolean shouldShowNode(Node node) {
190 boolean result = isShowEmptyNodes();
191
192 if (!result) {
193 result = (isShowOutbounds() && !node.getOutboundDependencies().isEmpty()) || (isShowInbounds() && !node.getInboundDependencies().isEmpty());
194 }
195
196 return result;
197 }
198 }
199 |
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