44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
// patterns/trash/ParseTrash.java
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// ©2015 MindView LLC: see Copyright.txt
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// Open a file and parse its contents into
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// Trash objects, placing each into an ArrayList.
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package patterns.trash;
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import java.util.*;
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import java.io.*;
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import java.nio.file.*;
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public class ParseTrash {
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public static <T extends Trash> void
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fillBin(String dir, String fname, Fillable<T> bin) {
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try {
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Path p = FileSystems.getDefault()
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.getPath("..", dir, fname);
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try(BufferedReader data = Files.newBufferedReader(p)){
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String buf;
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while((buf = data.readLine())!= null) {
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if(buf.trim().length() == 0)
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continue; // Skip empty lines
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if(buf.startsWith("//"))
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continue; // Skip comments
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String type = buf.substring(0,
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buf.indexOf(':')).trim();
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double weight = Double.valueOf(
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buf.substring(buf.indexOf(':') + 1).trim());
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bin.addTrash(Trash.factory(
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new Trash.Info(type, weight)));
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}
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}
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} catch(IOException |
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NumberFormatException |
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Trash.PrototypeNotFoundException |
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Trash.CannotCreateTrashException e) {
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throw new RuntimeException(e);
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}
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}
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// Special case to handle ArrayList:
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public static <T extends Trash> void
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fillBin(String dir, String fname, ArrayList<T> bin) {
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fillBin(dir, fname, new FillableList<>(bin));
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}
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}
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