diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/FilePrintHelper.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/FilePrintHelper.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/FilePrintHelper.java | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/FilePrintHelper.java b/Master/Reference Architectures and Patterns/hjp5/examples/FilePrintHelper.java new file mode 100644 index 0000000..e93ee46 --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/FilePrintHelper.java @@ -0,0 +1,52 @@ +/* FilePrintHelper.java */
+
+import java.util.*;
+
+public class FilePrintHelper
+{
+ //---Membervariablen----------------------------------
+ Vector pageinfo;
+
+ //---Konstruktor--------------------------------------
+ public FilePrintHelper()
+ {
+ pageinfo = new Vector();
+ }
+
+ //---Seitendefinition und -abfrage--------------------
+ public void createPage(int page)
+ {
+ for (int i = pageinfo.size(); i <= page; ++i) {
+ pageinfo.addElement(new Entry());
+ }
+ }
+
+ public boolean knownPage(int page)
+ {
+ return page < pageinfo.size();
+ }
+
+ //---Verwaltung der Offsets---------------------------
+ public long getFileOffset(int page)
+ {
+ Entry entry = (Entry)pageinfo.elementAt(page);
+ return entry.fileoffset;
+ }
+
+ public void setFileOffset(int page, long fileoffset)
+ {
+ Entry entry = (Entry)pageinfo.elementAt(page);
+ entry.fileoffset = fileoffset;
+ }
+
+ //---Lokale Klasse Entry------------------------------
+ static class Entry
+ {
+ public long fileoffset;
+
+ public Entry()
+ {
+ this.fileoffset = -1;
+ }
+ }
+}
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