| /* |
| * Copyright 1999-2006 The Apache Software Foundation. |
| * |
| * 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 org.apache.log4j.helpers; |
| |
| import java.io.Writer; |
| import java.io.FilterWriter; |
| import java.io.IOException; |
| import org.apache.log4j.spi.ErrorCode; |
| |
| |
| /** |
| QuietWriter does not throw exceptions when things go |
| wrong. Instead, it delegates error handling to its {@link |
| org.apache.log4j.spi.ErrorHandler}. |
| |
| @author Ceki Gülcü |
| |
| @since 0.7.3 |
| @deprecated |
| */ |
| public class QuietWriter extends FilterWriter { |
| |
| /** |
| * @deprecated |
| */ |
| protected org.apache.log4j.spi.ErrorHandler errorHandler; |
| |
| /** |
| * @deprecated |
| * @param writer |
| * @param errorHandler |
| */ |
| public |
| QuietWriter(Writer writer, org.apache.log4j.spi.ErrorHandler errorHandler) { |
| super(writer); |
| setErrorHandler(errorHandler); |
| } |
| |
| public |
| void write(String string) { |
| try { |
| out.write(string); |
| } catch(IOException e) { |
| errorHandler.error("Failed to write ["+string+"].", e, |
| ErrorCode.WRITE_FAILURE); |
| } |
| } |
| |
| public |
| void flush() { |
| try { |
| out.flush(); |
| } catch(IOException e) { |
| errorHandler.error("Failed to flush writer,", e, |
| ErrorCode.FLUSH_FAILURE); |
| } |
| } |
| |
| |
| public |
| void setErrorHandler(org.apache.log4j.spi.ErrorHandler eh) { |
| if(eh == null) { |
| // This is a programming error on the part of the enclosing appender. |
| throw new IllegalArgumentException("Attempted to set null ErrorHandler."); |
| } else { |
| this.errorHandler = eh; |
| } |
| } |
| } |