com.addc.commons.slp.messages.AttributeRequest Maven / Gradle / Ivy

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The addc-slp library supplies client classes for registering objects with a Service Location Protocol Daemon and for looking theses objects up later.

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package com.addc.commons.slp.messages;

import java.io.DataOutputStream;
import java.io.IOException;

import com.addc.commons.slp.SLPConstants;
import com.addc.commons.slp.configuration.SLPConfig;

/**
 * The AttributeRequest SLP Message.
 */
public class AttributeRequest extends UAMessage {
    private final String scopes;
    private final String attributeIds;
    private final String url;
    private String spi;

    /**
     * Create a new AttributeRequest
     *
     * @param config
     *            The SLP configuration to use
     * @param url
     *            The URL to query
     * @param attributeIds
     *            A comma delimited list of attribute ids
     */
    public AttributeRequest(SLPConfig config, String url, String attributeIds) {
        super(config, SLPConstants.ATTRRQST);
        this.url= url;
        this.scopes= config.getScopes();

        this.attributeIds= attributeIds== null ? "" : attributeIds;

        if (config.isSecurityEnabled()) {
            spi= config.getSPI();
        } else {
            spi= "";
        }
    }

    @Override
    public int calcSize() {
        return 10 + getResponders().length() + url.length() + scopes.length() + attributeIds.length() + spi.length();
    }

    @Override
    protected void writeBody(DataOutputStream out) throws IOException {
        out.writeUTF(getResponders());
        out.writeUTF(url);
        out.writeUTF(scopes);
        out.writeUTF(attributeIds);
        out.writeUTF(spi);
    }

    @Override
    public int hashCode() {
        final int prime= 31;
        int result= super.hashCode();
        result= prime * result + attributeIds.hashCode();
        result= prime * result + scopes.hashCode();
        result= prime * result + spi.hashCode();
        result= prime * result + url.hashCode();
        return result;
    }

    @Override
    @SuppressWarnings({ "PMD.CyclomaticComplexity", "PMD.NPathComplexity" })
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof AttributeRequest)) {
            return false;
        }
        AttributeRequest other= (AttributeRequest) obj;
        return (super.equals(obj) && attributeIds.equals(other.attributeIds) && scopes.equals(other.scopes)
                && spi.equals(other.spi) && url.equals(other.url));
    }

    @Override
    public String toString() {
        StringBuilder builder= new StringBuilder();
        builder.append("AttributeRequest [");
        builder.append(super.toString());
        builder.append(", scopes=");
        builder.append(scopes);
        builder.append(", attributeIds=");
        builder.append(attributeIds);
        builder.append(", url=");
        builder.append(url);
        builder.append(", spi=");
        builder.append(spi);
        builder.append(']');
        return builder.toString();
    }

}