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1b2798f6 EK |
1 | package no.uio.ifi.refaktor.analyze.collectors; |
2 | ||
3 | import no.uio.ifi.refaktor.textselection.CompilationUnitTextSelection; | |
4 | ||
5 | import org.eclipse.jdt.core.dom.ASTNode; | |
6 | import org.eclipse.jdt.core.dom.ASTVisitor; | |
7 | ||
8 | /** | |
9 | * A PropertyCollector is responsible for collecting | |
10 | * properties from an AST, and in particular, properties | |
11 | * from within a selection. | |
12 | * | |
13 | * If the visitor shall be limited to visiting nodes inside | |
14 | * the selection, then subclasses that overrides a | |
15 | * visit(ASTNode node) method must put this formulary | |
16 | * as the first thing inside the method: | |
17 | * | |
18 | * if (!nodeInSelection(node)) | |
19 | * return false; | |
20 | */ | |
21 | public abstract class PropertyCollector extends ASTVisitor { | |
22 | ||
23 | protected final CompilationUnitTextSelection selection; | |
24 | ||
25 | public PropertyCollector(CompilationUnitTextSelection selection) { | |
26 | super(); | |
27 | this.selection = selection; | |
28 | } | |
29 | ||
30 | protected boolean nodeInSelection(ASTNode node) { | |
31 | return selection.surroundsNode(node); | |
32 | } | |
33 | ||
34 | public abstract void clearData(); | |
35 | } |