com.googlesource.gerrit.plugins.manifest.CustomOutputter.java Source code

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Here is the source code for com.googlesource.gerrit.plugins.manifest.CustomOutputter.java

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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.googlesource.gerrit.plugins.manifest;

import org.jdom2.Attribute;
import org.jdom2.Document;
import org.jdom2.output.Format;
import org.jdom2.output.support.AbstractXMLOutputProcessor;
import org.jdom2.output.support.FormatStack;

import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;

public class CustomOutputter extends AbstractXMLOutputProcessor {
    private ArrayList<DTDAttribute> dtdAttributes;

    public CustomOutputter(ArrayList<DTDAttribute> dtdAttributes) {
        this.dtdAttributes = dtdAttributes;
    }

    @Override
    public void process(Writer out, Format format, Document doc) throws IOException {
        format.setLineSeparator("\n");
        super.process(out, format, doc);
    }

    @Override
    protected void printAttribute(java.io.Writer out, FormatStack fstack, Attribute attribute)
            throws java.io.IOException {
        // Do not print attributes that use default values
        for (DTDAttribute dtdAttribute : dtdAttributes) {
            if (attribute.getName().equals(dtdAttribute.getAttributeName())
                    && attribute.getParent().getName().equals(dtdAttribute.getElementName())
                    && attribute.getAttributeType().toString().equals(dtdAttribute.getType())
                    && attribute.getValue().equals(dtdAttribute.getValue())) {
                return;
            }
        }

        out.append(fstack.getLineSeparator());
        String indent = fstack.getIndent();
        out.append(fstack.getLevelIndent());
        out.append(indent);
        // super.printAttribute() indents with an extra space, this will offset that
        out.append(indent.substring(0, indent.length() - 1));
        super.printAttribute(out, fstack, attribute);
    }
}