/*******************************************************************************
* Copyright (c) 2008 Vlad Dumitrescu and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Vlad Dumitrescu
*******************************************************************************/
package org.erlide.util.erlang;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import com.ericsson.otp.erlang.OtpErlangAtom;
import com.ericsson.otp.erlang.OtpErlangBinary;
import com.ericsson.otp.erlang.OtpErlangDouble;
import com.ericsson.otp.erlang.OtpErlangException;
import com.ericsson.otp.erlang.OtpErlangList;
import com.ericsson.otp.erlang.OtpErlangLong;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangPid;
import com.ericsson.otp.erlang.OtpErlangString;
import com.ericsson.otp.erlang.OtpErlangTuple;
import com.google.common.collect.Lists;
public final class BindingsImpl implements Bindings {
private final Map<String, OtpErlangObject> bindings;
public BindingsImpl() {
bindings = new HashMap<String, OtpErlangObject>();
}
public BindingsImpl(final Bindings binds) {
this();
merge(binds);
}
public void merge(final Bindings binds) {
bindings.putAll(binds.getAll());
}
@Override
public OtpErlangObject get(final String name) {
return bindings.get(name);
}
@Override
public int getInt(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangLong) {
return ((OtpErlangLong) r).intValue();
}
throw new OtpErlangException("value is not an integer");
}
@Override
public long getLong(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangLong) {
return ((OtpErlangLong) r).longValue();
}
throw new OtpErlangException("value is not an integer");
}
@Override
public String getAtom(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangAtom) {
return ((OtpErlangAtom) r).atomValue();
}
throw new OtpErlangException("value is not an atom");
}
@Override
public String getQuotedAtom(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangAtom) {
return ((OtpErlangAtom) r).toString();
}
throw new OtpErlangException("value is not an atom");
}
@Override
public String getString(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangString) {
return ((OtpErlangString) r).stringValue();
}
throw new OtpErlangException("value is not a string");
}
@Override
public Collection<OtpErlangObject> getList(final String name)
throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangList) {
return Lists.newArrayList(((OtpErlangList) r).elements());
}
throw new OtpErlangException("value is not a list");
}
@Override
public OtpErlangObject[] getTuple(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangTuple) {
return ((OtpErlangTuple) r).elements();
}
throw new OtpErlangException("value is not a tuple");
}
@Override
public OtpErlangPid getPid(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangPid) {
return (OtpErlangPid) r;
}
throw new OtpErlangException("value is not a pid");
}
@SuppressWarnings("unchecked")
@Override
public <T> T getAs(final String name, final Class<T> cls) throws SignatureException {
final OtpErlangObject v = get(name);
return (T) TypeConverter.erlang2java(v, cls);
}
@Override
public void put(final String name, final OtpErlangObject value) {
bindings.put(name, value);
}
@Override
public Map<String, OtpErlangObject> getAll() {
return Collections.unmodifiableMap(bindings);
}
@Override
public String toString() {
return bindings.toString();
}
@Override
public OtpErlangBinary getBinary(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangBinary) {
return (OtpErlangBinary) r;
}
throw new OtpErlangException("value is not a binary");
}
@Override
public String getAsString(final String name) {
final OtpErlangObject r = get(name);
return OtpErlang.asString(r);
}
@Override
public double getDouble(final String name) throws OtpErlangException {
final OtpErlangObject r = get(name);
if (r instanceof OtpErlangDouble) {
return ((OtpErlangDouble) r).doubleValue();
}
throw new OtpErlangException("value is not a double");
}
}