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package net.sf.basedb.reggie.plugins.cmd; |
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import net.sf.basedb.core.DbControl; |
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/** |
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Validator for Float values. It supports both numeric and string |
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values in the JSON. String values are parsed with Float.parseFloat(). |
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@since 4.32 |
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*/ |
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public class FloatValidator |
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implements ValueValidator<Object, Float> |
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{ |
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|
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/** |
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Allow all values. |
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*/ |
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public static final FloatValidator INSTANCE = new FloatValidator(); |
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/** |
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All positive values >= 0. |
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*/ |
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public static final FloatValidator POSITIVE = new FloatValidator(0f, null, true); |
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public static final FloatValidator POSITIVE_WARN = new FloatValidator(0f, null, false); |
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|
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/** |
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Validator for RIN values that should be between 0 and 10. |
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@since 4.33.5 |
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*/ |
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public static final FloatValidator RIN = new FloatValidator(0f, 10f, true); |
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private final Float maxValue; |
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private final Float minValue; |
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private final boolean error; |
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public FloatValidator() |
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{ |
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this(null, null, true); |
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} |
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|
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/** |
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Allow all values between min and max (inclusive). |
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Null values are allowed and mean no limit. |
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*/ |
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public FloatValidator(Float min, Float max, boolean error) |
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{ |
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this.minValue = min; |
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this.maxValue = max; |
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this.error = error; |
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} |
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@Override |
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public Float isValid(DbControl dc, Object value, JsonSection section, String entryKey) |
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{ |
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Float result = null; |
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String msg = null; |
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if (value instanceof Number) |
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{ |
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result = ((Number)value).floatValue(); |
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} |
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else |
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{ |
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try |
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{ |
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result = Float.parseFloat(value.toString()); |
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} |
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catch (Exception ex) |
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{ |
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msg = "Invalid float in JSON: "+entryKey+"="+value; |
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} |
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} |
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if (result != null) |
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{ |
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if (minValue != null && result < minValue) |
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{ |
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msg = "Invalid value in JSON: "+entryKey+"="+value+" (expected >="+minValue+")"; |
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result = null; |
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} |
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if (maxValue != null && result > maxValue) |
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{ |
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msg = "Invalid value in JSON: "+entryKey+"="+value+" (expected <="+maxValue+")"; |
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result = null; |
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} |
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} |
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if (msg != null) |
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{ |
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if (error) |
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{ |
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section.addErrorMessage(msg); |
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} |
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else |
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{ |
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section.addWarningMessage(msg); |
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} |
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} |
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return result; |
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} |
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@Override |
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public Class<Object> getExpectedClass() |
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{ |
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return Object.class; |
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} |
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} |