enjoy 3.3 release ^_^

src/main/java/com/jfinal/template/io/ByteWriter.java

@@ -0,0 +1,122 @@
+/**
+ * Copyright (c) 2011-2017, James Zhan 詹波 (jfinal@126.com).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jfinal.template.io;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * ByteWriter
+ */
+public class ByteWriter extends Writer {
+	
+	OutputStream out;
+	Encoder encoder;
+	
+	char[] chars;
+	byte[] bytes;
+	
+	public ByteWriter(Encoder encoder, int bufferSize) {
+		this.encoder = encoder;
+		this.chars = new char[bufferSize];
+		this.bytes = new byte[bufferSize * ((int)encoder.maxBytesPerChar())];
+	}
+	
+	public ByteWriter init(OutputStream outputStream) {
+		this.out = outputStream;
+		return this;
+	}
+	
+	public void flush() throws IOException {
+		out.flush();
+	}
+	
+	public void close() {
+		try {
+			if (out != null) {
+				out.flush();
+			}
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		} finally {
+			out = null;
+		}
+	}
+	
+	public void write(String str, int offset, int len) throws IOException {
+		while (len > chars.length) {
+			write(str, offset, chars.length);
+			offset += chars.length;
+			len -= chars.length;
+		}
+		
+		str.getChars(offset, offset + len, chars, 0);
+		int byteLen = encoder.encode(chars, 0, len, bytes);
+		out.write(bytes, 0, byteLen);
+	}
+	
+	public void write(String str) throws IOException {
+		write(str, 0, str.length());
+	}
+	
+	public void write(StringBuilder stringBuilder, int offset, int len) throws IOException {
+		while (len > chars.length) {
+			write(stringBuilder, offset, chars.length);
+			offset += chars.length;
+			len -= chars.length;
+		}
+		
+		stringBuilder.getChars(offset, offset + len, chars, 0);
+		int byteLen = encoder.encode(chars, 0, len, bytes);
+		out.write(bytes, 0, byteLen);
+	}
+	
+	public void write(StringBuilder stringBuilder) throws IOException {
+		write(stringBuilder, 0, stringBuilder.length());
+	}
+	
+	public void write(IWritable writable) throws IOException {
+		byte[] data = writable.getBytes();
+		out.write(data, 0, data.length);
+	}
+	
+	public void write(int intValue) throws IOException {
+		IntegerWriter.write(this, intValue);
+	}
+	
+	public void write(long longValue) throws IOException {
+		LongWriter.write(this, longValue);
+	}
+	
+	public void write(double doubleValue) throws IOException {
+		FloatingWriter.write(this, doubleValue);
+	}
+	
+	public void write(float floatValue) throws IOException {
+		FloatingWriter.write(this, floatValue);
+	}
+	
+	private static final byte[] TRUE_BYTES = "true".getBytes();
+	private static final byte[] FALSE_BYTES = "false".getBytes();
+	
+	public void write(boolean booleanValue) throws IOException {
+		out.write(booleanValue ? TRUE_BYTES : FALSE_BYTES);
+	}
+}
+
+
+