gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / util / impl / BitmaskImpl.java @ 2236
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2020 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.tools.util.impl; |
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import org.gvsig.tools.util.Bitmask; |
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/**
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*
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* @author gvSIG Team
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*/
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public class BitmaskImpl implements Bitmask { |
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protected int mask; |
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public BitmaskImpl(int mask) { |
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this.mask = mask;
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} |
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@Override
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public int get() { |
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return this.mask; |
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} |
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@Override
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public boolean isSetBits(int mask) { |
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return (this.mask & mask) == mask; |
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} |
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@Override
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public boolean isSetBit(int bit) { |
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return (this.mask & (1 << bit)) != 0; |
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} |
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@Override
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public boolean isSetAny() { |
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return this.mask != 0; |
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} |
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@Override
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public boolean isEmpty() { |
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return this.mask == 0; |
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} |
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@Override
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public void set(int mask) { |
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this.mask = mask;
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} |
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@Override
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public void setBits(int mask) { |
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this.mask = this.mask | mask; |
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} |
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@Override
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public void setBit(int bit) { |
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this.mask = this.mask | (1 << bit); |
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} |
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@Override
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public void clear() { |
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this.mask = 0; |
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} |
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@Override
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public void clearBits(int mask) { |
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this.mask = ~mask & this.mask; |
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} |
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@Override
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public void clearBit(int bit) { |
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mask = ~(1 << bit) & this.mask; |
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} |
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} |