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Syncano's library is written in Java and provides communication with Syncano (www.syncano.io) via HTTPS RESTful interface.

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package com.syncano.library.parser;

import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.syncano.library.annotation.SyncanoField;
import com.syncano.library.data.SyncanoFile;
import com.syncano.library.data.SyncanoObject;

class SyncanoSerializationStrategy implements ExclusionStrategy {

    private boolean readOnlyNotImportant = false;

    public SyncanoSerializationStrategy(boolean readOnlyNotImportant) {
        this.readOnlyNotImportant = readOnlyNotImportant;
    }

    @Override
    public boolean shouldSkipField(FieldAttributes f) {
        SyncanoField syncanoField = f.getAnnotation(SyncanoField.class);

        // Don't serialize read only fields (like "id" or "created_at").
        // We want only to receive it, not send.
        // SyncanoFile is handled in SendRequest
        // SyncanoObject is handled in SyncanoObjectAdapterFactory
        if (syncanoField == null ||
                (!readOnlyNotImportant && syncanoField.readOnly() && !syncanoField.required()) ||
                f.getDeclaredClass().isAssignableFrom(SyncanoFile.class) ||
                f.getDeclaredClass().isAssignableFrom(SyncanoObject.class)) {
            return true;
        }

        return false;
    }

    @Override
    public boolean shouldSkipClass(Class clazz) {
        return false;
    }
}