LayerIdConverter.java 3.5 KB
/*
 * Decompiled with CFR 0_118.
 * 
 * Could not load the following classes:
 *  com.scene7.is.util.Converter
 *  com.scene7.is.util.text.Parser
 *  com.scene7.is.util.text.ParsingException
 *  com.scene7.is.util.text.parsers.IntegerParser
 *  com.scene7.is.util.text.parsers.StringParser
 *  org.apache.commons.beanutils.ConversionException
 *  org.jetbrains.annotations.NotNull
 */
package com.scene7.is.ps.provider.parsers;

import com.scene7.is.ps.provider.defs.LayerSpec;
import com.scene7.is.util.Converter;
import com.scene7.is.util.text.Parser;
import com.scene7.is.util.text.ParsingException;
import com.scene7.is.util.text.parsers.IntegerParser;
import com.scene7.is.util.text.parsers.StringParser;
import java.util.StringTokenizer;
import org.apache.commons.beanutils.ConversionException;
import org.jetbrains.annotations.NotNull;

public class LayerIdConverter
extends Converter<String, LayerSpec> {
    public static final LayerIdConverter INSTANCE = new LayerIdConverter();

    public static Converter<String, LayerSpec> layerIdConverter() {
        return INSTANCE;
    }

    @NotNull
    public LayerSpec convert(@NotNull String value) throws ConversionException {
        try {
            StringTokenizer tokenizer = new StringTokenizer(value, ",");
            if (value.contains("$")) {
                throw new ParsingException(4, "'$' character is not supported in layer= modifier", null);
            }
            if (tokenizer.countTokens() == 0) {
                throw new ParsingException(4, "layer= must not be empty", null);
            }
            if (tokenizer.countTokens() == 1) {
                Object layerId = LayerIdConverter.parseFirstToken(tokenizer);
                return new LayerSpec(layerId, null);
            }
            if (tokenizer.countTokens() == 2) {
                Object layerId = LayerIdConverter.parseFirstToken(tokenizer);
                if (layerId instanceof Integer || ((String)layerId).equalsIgnoreCase("COMP")) {
                    String layerName = (String)StringParser.stringParser().parse(tokenizer.nextToken());
                    try {
                        Integer.parseInt(layerName);
                        throw new ParsingException(4, "layer name must not be an integer", null);
                    }
                    catch (NumberFormatException ignore) {
                        if (layerName.isEmpty()) {
                            throw new ParsingException(4, "layer name must not be empty", null);
                        }
                        return new LayerSpec(layerId, layerName);
                    }
                }
                throw new ParsingException(4, "layer id must be integer or comp", null);
            }
            throw new ParsingException(4, "layer= contains more than 2 tokens", null);
        }
        catch (ParsingException e) {
            throw new ConversionException((Throwable)e);
        }
    }

    @NotNull
    public String revert(@NotNull LayerSpec src) throws ConversionException {
        return src.toString();
    }

    private LayerIdConverter() {
        super(String.class, LayerSpec.class);
    }

    private static Object parseFirstToken(StringTokenizer tokenizer) throws ParsingException {
        String layerNumberStr = tokenizer.nextToken();
        try {
            Integer.parseInt(layerNumberStr);
            return IntegerParser.NONNEGATIVE.parse(layerNumberStr);
        }
        catch (NumberFormatException ignored) {
            return StringParser.stringParser().parse(layerNumberStr);
        }
    }
}