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package org.netbeans.lib.profiler.common.filters;

import java.util.Map;


/**
 * This class defines simple instrumentation filter without referencing
 * Global Filters, i.e. for QuickFilter manipulation
 *
 * @author Jiri Sedlacek
 */
public class SimpleFilter {
    //~ Static fields/initializers -----------------------------------------------------------------------------------------------

    public static final int SIMPLE_FILTER_NONE = 0;
    public static final int SIMPLE_FILTER_EXCLUSIVE = 1;
    public static final int SIMPLE_FILTER_INCLUSIVE = 2;
    public static final SimpleFilter NO_FILTER = new SimpleFilter("", SIMPLE_FILTER_NONE, ""); //NOI18N
    public static final String PROP_FILTER_TYPE_VALUE = "profiler.simple.filter"; //NOI18N
    private static final String PROP_SIMPLEFILTER_NAME = "profiler.simple.filter.name"; //NOI18N
    private static final String PROP_SIMPLEFILTER_TYPE = "profiler.simple.filter.type"; //NOI18N
    private static final String PROP_SIMPLEFILTER_VALUE = "profiler.simple.filter.value"; //NOI18N

    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private String filterName;
    private String filterValue;
    private int filterType;

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    public SimpleFilter() {
        setFilterName(""); // NOI18N
        setFilterType(SIMPLE_FILTER_NONE);
        setFilterValue(""); // NOI18N
    }

    public SimpleFilter(String filterName, int filterType, String filterValue) {
        setFilterName(filterName);
        setFilterType(filterType);
        setFilterValue(filterValue);
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public void setFilterName(String filterName) {
        this.filterName = filterName;
    }

    public String getFilterName() {
        return filterName;
    }

    public void setFilterType(int filterType) {
        this.filterType = filterType;
    }

    public int getFilterType() {
        return filterType;
    }

    public void setFilterValue(String filterValue) {
        this.filterValue = filterValue;
    }

    public String getFilterValue() {
        return filterValue;
    }

    public boolean equals(Object o) {
        if (o == this) {
            return true;
        }

        if (!(o instanceof SimpleFilter)) {
            return false;
        }

        SimpleFilter simpleFilter = (SimpleFilter) o;

        if (filterName == null && simpleFilter.filterName != null ||
            filterName != null && simpleFilter.filterName == null) {
            return false;
        }
        if (filterName != null && simpleFilter.filterName != null &&
            !filterName.equals(simpleFilter.filterName)) {
            return false;
        }

        if (filterType != simpleFilter.filterType) {
            return false;
        }

        if (!filterValue.equals(simpleFilter.filterValue)) {
            return false;
        }

        return true;
    }

    public int hashCode() {
        int hash = 7;
        hash = 29 * hash + (this.filterName != null ? this.filterName.hashCode() : 0);
        hash = 29 * hash + (this.filterValue != null ? this.filterValue.hashCode() : 0);
        hash = 29 * hash + this.filterType;
        return hash;
    }

    // TODO: just to keep backward compatibility, should be removed after code cleanup!!!
    public void load(final Map props) {
        load(props, ""); //NOI18N
    }

    public void load(final Map props, final String prefix) {
        if (!getProperty(props, prefix + FilterUtils.PROP_FILTER_TYPE, "").equals(PROP_FILTER_TYPE_VALUE)) {
            throw new RuntimeException("Trying to load incompatible filter"); //NOI18N
        }

        setFilterName(getProperty(props, prefix + PROP_SIMPLEFILTER_NAME, "")); //NOI18N
        setFilterType(Integer.parseInt(getProperty(props, prefix + PROP_SIMPLEFILTER_TYPE, Integer.toString(SIMPLE_FILTER_NONE))));
        setFilterValue(getProperty(props, prefix + PROP_SIMPLEFILTER_VALUE, "")); //NOI18N
    }

    // TODO: just to keep backward compatibility, should be removed after code cleanup!!!
    public void store(final Map props) {
        store(props, ""); //NOI18N
    }

    public void store(final Map props, final String prefix) {
        props.put(prefix + FilterUtils.PROP_FILTER_TYPE, PROP_FILTER_TYPE_VALUE);
        props.put(prefix + PROP_SIMPLEFILTER_NAME, getFilterName());
        props.put(prefix + PROP_SIMPLEFILTER_TYPE, Integer.toString(getFilterType()));
        props.put(prefix + PROP_SIMPLEFILTER_VALUE, getFilterValue());
    }

    public String toString() {
        return filterName;
    }

    private static String getProperty(final Map props, final Object key, final String defaultValue) {
        final Object ret = props.get(key);

        return (ret != null) ? (String) ret : defaultValue;
    }
}
