/** * CRIgnoreWriter * Copyright 29.5.2015 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program in the file lgpl21.txt * If not, see <http://www.gnu.org/licenses/>. */ package net.yacy.cora.util; import java.io.StringWriter; public class CRIgnoreWriter extends StringWriter { public CRIgnoreWriter() { super(); } public CRIgnoreWriter(final int initialSize) { super(initialSize); } @Override public void write(int c) { if (c >= 32) super.write(c); } @Override public void write(char cbuf[], int off, int len) { if ((off < 0) || (off > cbuf.length) || (len < 0) || ((off + len) > cbuf.length) || ((off + len) < 0)) { throw new IndexOutOfBoundsException(); } else if (len == 0) { return; } int p = off; char c; for (int i = 0; i < len; i++) { c = cbuf[p]; if (c >= 32) super.write(c); p++; } } @Override public void write(String str) { int len = str.length(); char c; for (int i = 0; i < len; i++) { c = str.charAt(i); if (c >= 32) super.write(c); } } @Override public void write(String str, int off, int len) { int p = off; char c; for (int i = 0; i < len; i++) { c = str.charAt(p); if (c >= 32) super.write(c); p++; } } @Override public CRIgnoreWriter append(CharSequence csq) { this.write(csq == null ? "null" : csq.toString()); return this; } @Override public CRIgnoreWriter append(CharSequence csq, int start, int end) { CharSequence cs = (csq == null ? "null" : csq); this.write(cs.subSequence(start, end).toString()); return this; } @Override public CRIgnoreWriter append(char c) { if (c >= 32) write(c); return this; } }