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Diffstat (limited to 'reportbuilder/java/com/sun/star/report/util/DefaultParameterMap.java')
-rw-r--r-- | reportbuilder/java/com/sun/star/report/util/DefaultParameterMap.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/util/DefaultParameterMap.java b/reportbuilder/java/com/sun/star/report/util/DefaultParameterMap.java new file mode 100644 index 000000000000..0fdda8f21d61 --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/util/DefaultParameterMap.java @@ -0,0 +1,123 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +package com.sun.star.report.util; + +import com.sun.star.report.ParameterMap; + +import java.util.HashMap; +import java.util.Map; + + +public class DefaultParameterMap implements ParameterMap +{ + + private final Map backend; + + public DefaultParameterMap() + { + backend = new HashMap(); + } + + public void clear() + { + backend.clear(); + } + + /** + * Retrieves the value stored for a key in this properties collection. + * + * @param key the property key. + * @return The stored value, or <code>null</code> if the key does not exist in this + * collection. + */ + public Object get(final String key) + { + if (key == null) + { + throw new NullPointerException("DefaultParameterMap.get (..): Parameter 'key' must not be null"); + } + return backend.get(key); + } + + /** + * Retrieves the value stored for a key in this properties collection, and returning the + * default value if the key was not stored in this properties collection. + * + * @param key the property key. + * @param defaultValue the default value to be returned when the key is not stored in + * this properties collection. + * @return The stored value, or the default value if the key does not exist in this + * collection. + */ + public Object get(final String key, final Object defaultValue) + { + if (key == null) + { + throw new NullPointerException("DefaultParameterMap.get (..): Parameter 'key' must not be null"); + } + final Object o = this.backend.get(key); + if (o == null) + { + return defaultValue; + } + return o; + } + + public String[] keys() + { + return (String[]) this.backend.keySet().toArray(new String[backend.size()]); + } + + /** + * Adds a property to this properties collection. If a property with the given name + * exist, the property will be replaced with the new value. If the value is null, the + * property will be removed. + * + * @param key the property key. + * @param value the property value. + */ + public void put(final String key, final Object value) + { + if (key == null) + { + throw new NullPointerException("ReportProperties.put (..): Parameter 'key' must not be null"); + } + if (value == null) + { + this.backend.remove(key); + } + else + { + this.backend.put(key, value); + } + } + + public int size() + { + return this.backend.size(); + } +} |