From 8c4317706908bfa6309cdf883e7138c8f3430c8b Mon Sep 17 00:00:00 2001
From: Victor <melnikukr@mail.ru>
Date: Mon, 2 Dec 2013 12:53:16 +0200
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=20CsvReader=20=D1=81=20=D0=B2=D0=BE=D0=B7=D0=BC=D0=BE?=
 =?UTF-8?q?=D0=B6=D0=BD=D0=BE=D1=81=D1=82=D1=8C=D1=8E=20=D1=80=D0=B5=D0=B0?=
 =?UTF-8?q?=D0=B3=D0=B8=D1=80=D0=BE=D0=B2=D0=B0=D0=BD=D0=B8=D1=8F=20=D0=BD?=
 =?UTF-8?q?=D0=B0=20=D1=81=D0=BE=D0=B1=D1=8B=D1=82=D0=B8=D1=8F=20=D1=87?=
 =?UTF-8?q?=D1=82=D0=B5=D0=BD=D0=B8=D1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/tse/lr5/CsvReader.java | 76 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/tse/lr5/CsvReader.java

diff --git a/src/tse/lr5/CsvReader.java b/src/tse/lr5/CsvReader.java
new file mode 100644
index 0000000..721cfd4
--- /dev/null
+++ b/src/tse/lr5/CsvReader.java
@@ -0,0 +1,76 @@
+package tse.lr5;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Чтение CSV файла.
+ * @author aNNiMON
+ * @param <T>
+ */
+public class CsvReader<T> {
+    
+    public interface ReaderHandler<T> {
+        
+        void onStartRead(File file);
+        
+        T createObject(String[] params);
+        
+        void onFinishRead();
+    }
+    
+    private final File file;
+    private ReaderHandler handler;
+
+    public CsvReader(File file) {
+        this.file = file;
+    }
+    
+    public void setReaderHandler(ReaderHandler handler) {
+        this.handler = handler;
+    }
+    
+    public List<T> readCsv() throws IOException {
+        return readCsv(true);
+    }
+    
+    public List<T> readCsv(boolean skipHeaderLine) throws IOException {
+        return readCsv(skipHeaderLine, ",");
+    }
+    
+    public List<T> readCsv(boolean skipHeaderLine, String separator) throws IOException {
+        if (handler == null) throw new RuntimeException("Не установлен ReaderHandler");
+        
+        handler.onStartRead(file);
+        BufferedReader reader = new BufferedReader(
+                new InputStreamReader( new FileInputStream(file), "UTF-8" )
+        );
+        if (skipHeaderLine) {
+            reader.readLine();
+        }
+        String line;
+        List<T> list = new ArrayList<>();
+        while ( (line = reader.readLine()) != null ) {
+            T obj = null;
+            try {
+                if (!line.isEmpty()) {
+                    String[] params = line.split(separator);
+                    obj = (T) handler.createObject(params);
+                }
+            } catch (RuntimeException ex) {
+                ex.printStackTrace();
+            }
+            if (obj != null) list.add(obj);
+        }
+        reader.close();
+        handler.onFinishRead();
+        return list;
+    }
+    
+    
+}