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#1368 Restructures Message and Event filter framework.

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This commit is contained in:
Dennis Sheirer
2023-07-12 04:41:57 -04:00
parent d246ffff30
commit b0a524cf62
121 changed files with 4869 additions and 4950 deletions
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56
src/main/java/io/github/dsheirer/module/decode/dcs/DCSMessageFilter.java
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@@ -22,45 +22,55 @@ package io.github.dsheirer.module.decode.dcs;
import io.github.dsheirer.filter.Filter;
import io.github.dsheirer.filter.FilterElement;
import io.github.dsheirer.message.IMessage;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
/**
* Message filter for Digital Coded Squelch (DCS)
*/
public class DCSMessageFilter extends Filter<IMessage>
public class DCSMessageFilter extends Filter<IMessage,String>
{
private Map<String,FilterElement<String>> mElements = new HashMap<>();
private static final String DCS_MESSAGE_FILTER_TAG = "DCS";
private static final String DCS_KEY = "DCS";
private final KeyExtractor mKeyExtractor = new KeyExtractor();
/**
* Constructor
*/
public DCSMessageFilter()
{
super("DCS Message Filter");
mElements.put(DCS_MESSAGE_FILTER_TAG, new FilterElement<>("DCS Code", true));
}
@Override
public boolean passes(IMessage message)
{
if(mEnabled && canProcess(message))
{
return mElements.get(DCS_MESSAGE_FILTER_TAG).isEnabled();
}
return false;
super("DCS Messages");
add(new FilterElement(DCS_KEY));
}
/**
* Indicates that this filter can process DCS messages.
* @param message to test
* @return true if the message can be processed
*/
@Override
public boolean canProcess(IMessage message)
{
return message instanceof DCSMessage;
return message instanceof DCSMessage && super.canProcess(message);
}
/**
* Key extractor that always returns the same key constant.
* @return extractor function.
*/
@Override
public List<FilterElement<?>> getFilterElements()
public Function<IMessage, String> getKeyExtractor()
{
return new ArrayList<FilterElement<?>>(mElements.values());
return mKeyExtractor;
}
/**
* Key extractor
*/
private class KeyExtractor implements Function<IMessage,String>
{
@Override
public String apply(IMessage message)
{
return DCS_KEY;
}
}
}